Ancient Times Finding the Gate 1997-98
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2001-02 2002-03 2003-04
2004-05 2005-06 2006-07
2007-08 2008-09 2009-10
2010-11 2013-15 2016-17
2018 2019

 

Stargate History

The story of Stargate sweeps across many galaxies and goes millions of years into the past.

Ancient times

Over 50 million years ago, The Altera and their brethren the Ori were humans on the evolutionary path toward ascension, but it is unknown if there were ascended beings who existed before or during this period, and if they existed, whether or not humans were aware of them. The Ori greatly outnumbered the Altera and were preparing to wipe them out because of their conflicting philosophical views. By the end of this period, the only proto-Ancients that existed were the Altera, the mountaintop villagers who chose to leave their home aboard a single spaceship rather than engage in a war. The Ori were left behind to continue on their own path.

The Altera traveled for thousands of years until they reached a "belt of stars" and made a new home in the Milky Way Galaxy, which they called "Avalon", and built the network of Stargates, which they called "Astria Porta". (10.02 "Avalon Part 2") The first landing place for the Alteran starship in the Milky Way was on the planet Dakara. (Stargate: The Ark of Truth) Other early settlements of the Ancients in the Milky Way included Earth, which the Ancients called "Terra" and which might be the site of the galaxy's first Stargate, and Praclarush Taonas. (6.04 "Frozen", 7.22 "Lost City Part 2", 10.03 "The Pegasus Project")

30 Million Years Ago, The Ancients continue to populate and explore the Milky Way. By this time, Atlantean city-ships (which might have also been called "Lantian cities") existed on Earth in the area now known as Antarctica and possibly on Praclarush Taonas. An Outpost existed on Praclarush Taonas that was identical to the Outpost found in Antarctica, which was associated with the city-ship Atlantis. Each Outpost had a ring transporter platform and was powered by a device the Ancients called a "Potentia", which is called a "Zero Point Module (ZPM) by modern-day humans. (7.22 "Lost City Part 2", 10.03 "The Pegasus Project"; Stargate Atlantis: 1.01 "Rising Part 1", 1.16 "The Brotherhood") Other early settlements were Taoth Vaclarush, Valos Cor, and Verus Gen Bree. (10.02 "Morpheus", 10.03 "The Pegasus Project") The Ancients had built a large settlement on P3X-439 and placed a Repository of Knowledge within a monument's walls. The Repositories are meant to contain all of the current knowledge of the Ancients who populated the database at the time. (7.21 "Lost City Part 1", 10.11 "The Quest Part 2")
5 to 10 Million Years Ago, a plague sweeps through the Milky Way Galaxy; Ancients ascend; Ancients leave Earth in the city-ship Atlantis; Ancients and Ori create the second generation of humanity in three galaxies:

A plague swept through the galaxy and killed many of the Ancients. A similar plague was created by the Ori Priors in modern times that prompted Daniel to believe that the Ori had been responsible for this older plague, but that was mere conjecture and has never been confirmed. A Prior created the "Prior Plague" using his own DNA as a foundation, which would suggest that the plague that swept through the Milky Way was a product of the Ancients' own doing as they experimented with DNA manipulation to achieve ascension. Evidence of the Ancients' research into altering one's DNA in order to achieve ascension was the existence of very sophisticated DNA Manipulation Devices, two of which were found on planets that would later be designated as P3X-367 and P3X-584. (4.06 "Window of Opportunity", 6.16 "Metamophosis", 6.22 "Full Circle", 9.05 "The Powers That Be", 9.09 "Prototype", 9.10 "The Fourth Horseman Part 1")
Some Ancients tried to develop a time machine to undo this tragedy, but they failed, shut the machine down, and let the end come. (4.06 "Window of Opportunity") During this time, the Ancients who survived the plague either ascended or left the galaxy (perhaps in a city-ship like that of Atlantis or by intergalactic Stargates, for example). Most likely none of the Ancients who left the galaxy were carriers of or infected with the plague. (6.04 "Frozen", 6.22 "Full Circle"; Stargate Atlantis: 1.01 "Rising Part 1")

The Ancients had been in the process of creating their crowning achievement on the planet Vis Uban, but they had to stop work because of the plague. Vis Uban, or "Place of Great Power", was abandoned and its was the last Stargate address listed in the Ancient Repository of Knowledge that was located on the planet P3R-272, which has been called the "Place of Our Legacy", probably meaning that this particular Repository had the complete record of the Ancients before they left the galaxy (either physically or through ascension) or died of the plague. (2.16 "The Fifth Race", 7.01 "Fallen Part 1", 7.21 "Lost City Part 1")

Ancients on the city-ship Atlantis in Antarctica left Earth to start over and settled on a planet they named "Lantia" in the Pegasus Galaxy. They left behind an Ancient woman who stayed at the Outpost and who was later discovered buried in the ice. She carried the plague, so it is possible this is why she was left behind. (6.04 "Frozen", Stargate Atlantis: 1.01 "Rising Part 1")
Rumors of the existence of the Clava Thessara Infinitas, or "Key to Infinite Treasure", were later established that said that the Ancients stored away vast riches, including weapons, before their ascension. The Clava Thessara Infinitas is supposed to lead one to this treasure if one can decode the key. Presumably, this key is a Stargate address. (10.08 "Memento Mori", 10.16 "Bad Guys", 10.19 "Dominion")

The Ancients (it is unknown which group) used the device on Dakara to seed the galaxy with new life, thus creating the second evolution of humanity in the galaxy. This creation most likely was done only to Earth via the Stargate since man is believed to have evolved first on Earth and then was spread throughout the galaxy by the Goa'uld through the use of starships or of the Stargate network that the Ancients left behind. (Stargate: The Movie, 1.03 "The Enemy Within", 8.18 "Threads")

At about the same time, the Ori were also ascending and created a second generation of humanity in their home galaxy. The ascended Ori added to (or if it didn't exist, created) The Book of Origin about worshiping them as gods because they discovered that they could gain more power in the ascended planes through man's relinquishing of his free will (this generation of humanity was most likely created solely to empower the ascended Ori). The Ori promised to help their followers to ascend, since these humans couldn't ascend on their own because they are not advanced enough in their evolution, but this promise was a lie since the Ori did not intend to share their power. (9.03 "Origin Part 3", 9.10 "The Fourth Horseman Part 1")

The ascended Altera/Ancients joined in a collective called "The Others" that used their combined power to shield the existence of humanity in the Milky Way and Pegasus galaxies so that the Ori didn't know that they existed or where to find them. (9.03 "Origin Part 3")

The Ori taught their humanity that the Altera/Ancients were "evil spirits" and wrote about the rift that separated them in The Book of Origin. The Altera's mountaintop settlement was called "Ortus Mallum", and after they left, the Ori followers built their capital city, the City of the Gods, on the plains nearby. This new settlement came to be known as Celestis. (The actual time that this city was built is not known.) The City of the Gods was the training place for men to become the Priors of the Ori and the abiding place of the ascended Ori. (9.02 "Avalon Part 2", 9.03 "Origin Part 3", 9.11 "The Fourth Horseman Part 2", Stargate: The Ark of Truth) Several generations of Ori Priors and unbelievers alike searched the ruins of the Alteran mountaintop settlement. Whenever the Priors found artifacts that pre-dated the Ori ascension, they deemed them as heretical and then brought them to the City of the Gods to be burnt in the fires. Heretics searched for evidence to discredit the Ori's word and intention and gathered up these artifacts in secret until they could obtain enough proof that would cause even the most fervent believers to doubt the Ori. (9.02 "Avalon Part 2", 9.03 "Origin Part 3", 9.19 "Crusade Part 1", Stargate: The Ark of Truth)

Humans in the Ori's home galaxy were spread apart on different planets and traveled to and from Celestis using ring transporters. (9.03 "Origin Part 3", 9.19 "Crusade Part 1", Stargate: The Ark of Truth)

The Ancients in the Pegasus Galaxy from the city-ship Atlantis seeded the galaxy with humanity and unwittingly created their future rival, the Wraith. The Wraith were the result of the blending of the DNA of the iratus bug and humans. This blending resulted in the Wraith's need to feed on humans for their own survival. (Stargate Atlantis: 1.01 "Rising Part 1")

It's possible that more than one city-ship left the Milky Way when Atlantis did since an identical city-ship was later found on another planet in Pegasus, but it was in poor condition and almost totally buried; only the central tower protruded above the ground. Some of the humans who populated this planet in modern times had Ancient DNA and were most likely descendants of humans and Ancients who lived in that city-ship. Additionally, there might have been a city-ship associated with the "Lantian city" built on Praclarush Taonas, a planet the Ancients abandoned as soon as they learned of their sun's impending death. (10.03 "The Pegasus Project"; Stargate Atlantis: 2.15 "The Tower")

Lantian Ancients built great cities, one of which was on the planet Athos. They also built research facilities on other planets, including one where they experimented in mini-drone technology. The original, larger size of these drones were already operational in their Milky Way Outposts. The Ancients added another level of security to protect their mini-drone research by requiring that only someone with a pass key could activate the drones. The Ancients in Atlantis also continued in their research into accelerating evolution to achieve ascension. (7.22 "Lost City Part 2"; Stargate Atlantis: 1.01 "Rising Part 1", 1.03 "Hide and Seek", 3.14 "Tao of Rodney", 4.14 "Harmony")

Lantian Ancients also decided that they'd interact with their human creation so that they could exchange knowledge and friendship. Some of this interaction, however, was much more on the experimental level: they seeded human settlements on several planets and linked to them with a computer interface from which the people were given instructions on how to build their societies. Each planet in this "sociological experiment" had an array of 100 satellites that communicated with a control center in a building on the east side of Atlantis. The people looked to their "oracle", whom they deemed a deity, for guidance all the way down to how to dress and how far to develop. This experiment is in sharp contrast to the non-interference rules of the Lantians' ascended brethren who had joined in the collective of The Others. (Stargate Atlantis: 3.15 "The Game")

10,000 years ago, the Ancients in Atlantis awakened the Wraith and a war was started when the Wraith began to consume human populations (by sucking out their life forces). Scientists of the city started to develop nanites to kill Wraith from within, but the nanites exceeded their programming and took on human form. These human-form Replicators were settled on Asuras and came to be known as Asurans. It is speculated that the Asurans tried to realize their original programming by developing a nanovirus that would kill human populations so that the Wraith would starve to death. The Ancients sent their warships to Asuras and bombarded the Asuran settlement to destroy them because they were deemed a failed experiment, but unbeknownst to them, some nanites survived and began to build their society once more. Very little documentation concerning the Asurans' existence was left in the Atlantis database. (Stargate Atlantis: 1.13 "Hot Zone", 3.05 "Progeny", 4.08 "The Seer")

Ten thousand years ago, in 8000 B.C., a Goa'uld discovered humanity on Earth and established himself as the Egyptian god Ra. Other Goa'uld followed suit, using Earth's ancient religions to pose as the physical embodiment of their gods. Humans became the favored vessels, or hosts, for the Goa'uld symbiotes, but Unas were also used concurrently. (Stargate: The Movie, 1.01 "Children of the Gods Part 1", 1.10 "Thor's Hammer", 2.17 "Serpent's Song", 3.08 "Demons")

The Goa'uld Telchak used as a template an Ancient healing device, now called the Telchak Device, to construct the sarcophagus, a healing device that helps the Goa'uld maintain their human host bodies for thousands of years (Ra kept his young male host from 8000 B.C. all the way through to modern times) and prolong their own lives. (Stargate: The Movie, 7.11 "Evolution Part 1")

The Goa'uld genetically engineered the Jaffa from humans so that they could increase the odds that Goa'uld symbiotes would survive the blending with their future human hosts by giving them a period of incubation in the Jaffa's abdominal pouches. Jaffa were given long and healthy lives as a benefit, and the male Jaffa were appointed as the Goa'uld's soldiers. The first Jaffa was created in a ceremony of implantation held in the temple on Dakara, which is also where it is said that Anubis first rose from the dead (the means of this resurrection is currently unknown). (1.02 "Children of the Gods Part 2", 1.03 "The Enemy Within", 6.10 "Cure", 8.16 "Reckoning Part 1")

Those Ancients who returned to Earth saw that Earth was harsh and its people were too primitive by comparison to their advanced society. They had no hope of living among them as Lantians nor of rebuilding their great society, so they spread themselves out to many lands, planting a few small seeds of civilization among the first tribes of man. Others left through the Antarctic Stargate, and the remainder chose to live their lives in seclusion and meditation to achieve ascension. (10.03 "The Pegasus Project")

Among those Ancients who returned to Earth were Janus, who built the time machine out of a puddle jumper (a small shuttle craft that can fit through a Stargate) that a future version of Weir used; Moros, who was the last High Councilor of Atlantis; and Ganos Lal, who was a teacher. It is believed that Janus built a new timeship on another planet in the Milky Way. Both Moros and Ganos achieved ascension through seclusion and meditation. (8.13 "It's Good To Be King", 10.03 "The Pegasus Project"; Stargate Atlantis: 1.15 "Before I Sleep")

The legend of the Lost City of Atlantis was spread among the Greeks on Earth (recorded in the writings of Plato) and was written about in the Ancient language on a stone tablet that was discovered by Ra, who stored it on one of his planets called Abydos. (6.22 "Full Circle"; Stargate Atlantis: 1.01 "Rising Part 1")

The Ancients who returned to Earth from Atlantis also influenced the Romans (as the "ancient ones" who were the "builders of the roads"), established Latin as an Earth language (Ancient and Latin are very similar), and infused their DNA into the populace (there are descendants of these Ancients who are able to activate Ancient technology that is keyed to Ancient genetic imprints). (2.16 "The Fifth Race", 7.22 "Lost City Part 2", 8.13 "It's Good to Be King"; Stargate Atlantis: 1.01 "Rising Part 1")

Daniel speculated that some of the Ancients might have influenced the religions of the world by making fire an evil or demonic symbol as a way to warn Earthlings of the nature of the Ori. Fire was the icon of the religion "Origin" and symbolized warmth, energy, and light. The Ascended Ori, who were the "gods" of the religion, manifested themselves in a wall of fire and called it "The Flames of Enlightenment". (9.03 "Origin Part 3")

Daniel has also speculated that Oma Desala, or an Ancient who knew of her teachings, influenced the Buddhists, who have "The Eightfold Path to Enlightenment". Oma Desala's name means "Mother Nature" in an African tribal language, so it also possible that she influenced the worship of nature or some forms of the occult, as she was able to manipulate such things as the weather and fire with her ascended powers. (3.20 "Maternal Instinct", 9.02 "Avalon Part 2")

The Asurans reached their height once again and resumed their programming of going after the Wraith in Pegasus, but the Wraith figured out how to reprogram them to stop their attacks. Both the Wraith and the Asurans developed on their own after that: The Wraith dominated the galaxy while the Asurans thrived in isolation. (Stargate Atlantis: 4.03 "Reunion")

Ra planted a Stargate in Giza, Egypt, and used it to spread humanity to other planets, including Abydos, where he used them as slaves. By this time, the Ancients' Stargate in Antarctica was most likely inaccessible due to being buried in the ice. (Stargate: The Movie, 1.18 "Solitudes")

Five thousand years ago, the Goa'uld reached the height of their power in a feudal system headed by the oldest and most powerful among them who were called "System Lords". Ra recorded the Stargate addresses of the planets in the Goa'uld's domain in a cartouche room on Abydos. Not all of the planets in the Stargate network were included, however, as it was later discovered when Jack O'Neill obtained a download from an Ancient Repository of Knowledge that included all of the Stargate addresses that the Ancients originally had before the Goa'uld rose to power. (1.01 "Children of the Gods Part 1", 2.16 "The Fifth Race", 3.03 "Fair Game", 9.01 "Avalon Part 1")

By this time, the Great Pyramid and Sphinx existed in Egypt. The Great Pyramid was used as a landing platform for Ra's mothership, as was the pyramid on Abydos. (Stargate: The Movie, 8.19 "Moebius Part 1", 8.20 "Moebius Part 2")

Ra's place as the most powerful System Lord was tested when the humans of Earth revolted and buried the Stargate in 2995 B.C. After this revolt, Ra outlawed writing, but not before the news of the revolt was recorded on cave walls on the planet Abydos. The current timeline that includes this revolt was impacted by time travelers who prevented Ra from taking the Stargate from Earth after he discovered the plans for the rebellion. (Stargate: The Movie, 8.19 "Moebius Part 1", 8.20 "Moebius Part 2")

Sometime during their stay on Earth, the Goa'ulds Osiris, Isis, Seth, Hathor, and Sekhmet were also banished. Osiris and Isis were placed in canopic jars similar to the one in which Egeria was banished. They were thought to have been in these jars for several thousand years (possibly 3000 years, based on an estimate made by archaeologists who studied the jars in modern times). Several of the artifacts found with the jars in a small pyramid temple in Egypt were dated to be over 10,000 years old. Seth had tried to overthrow Ra and had to flee. He went into hiding among various tribes of man on Earth, taking new hosts every four hundred years or so because he didn't have access to a sarcophagus (it's also possible that the Stargate had been buried by this time as well). Written record of his cults go as far back as 1000 B.C. (including in the legends of the Greeks as the god Typhon). Hathor, Ra's daughter and queen, was locked inside a sarcophagus and placed in a Mayan tomb in Mexico where she stayed for almost two thousand years. Sekhmet was one of Ra's enforcers on Earth, but was banished and preserved in a jar that was later discovered by Napoleon in Egypt. (1.14 "Hathor", 3.02 "Seth", 4.14 "The Curse", 7.19 "Resurrection")

Two thousand years ago, the Goa'uld Queen Egeria started a movement against Ra called "Tok'Ra". She believed in a symbiotic relationship between human host and symbiote, rather than the symbiote's taking a human host by force and using the body against the human's will. All of Egeria's offspring were called Tok'ra, and they waged their own war against the Goa'uld System Lords by infiltration. Ra banished Egeria by extracting her from her host and putting the symbiote in a canopic jar with a special lining and sedative that kept her alive. The jar was then built into a wall of a temple on the planet Pangar. Egeria's offspring assumed she was dead, and no more Tok'ra could be added to their ranks without her. (4.04 "Crossroads", 6.10 "Cure")

Finding the Gate

A.D. 1928-1929
The Langford Expedition uncovers the Giza Stargate; Time traveler arrives to save the Stargate:

Professor Langford was leading an archaeological expedition in Giza, Egypt, in 1928, when he discovered a large circular coverstone and a ring-shaped device underneath it. The coverstone and the device were kept in storage in Egypt until Langford could get the items shipped to the United States for study. (Stargate: The Movie, 1.11 "The Torment of Tantalus", Stargate: Continuum)

Langford's Expedition also found several small artifacts, including a gold pendant that had the eye of Ra etched on it. Langford's little daughter Catherine was given the necklace, and she always wore it, believing it was a good luck charm. (Stargate: The Movie, 1.11 "The Torment of Tantalus")

The Giza gate was missing its Dial Home Device when first discovered as it had been discovered by a German archeologist in 1906. Following the defeat of Nazi Germany in 1945, the Soviet Union gained access to the DHD. It passed into the possession of the Russian Federation after the fall of the Soviet Union. (SG1: "Watergate", "The Tomb")

A future alternate timeline version of Cameron Mitchell (the future leader of SG-1) prematurely arrived in 1929 instead of his target of 1939. He was on a mission to stop the last of the Goa'uld System Lords, Ba'al, from intercepting the Stargate on its way from Africa to the United States in the hold of the cargo ship Achilles. Ba'al intended to rewrite the timeline with himself as the supreme commander of the galaxy. For ten years, Mitchell had to make sure that he himself didn't impact the timeline and that he was aboard the Achilles when Ba'al arrived. (Stargate: Continuum)

A.D. 1931
The Steward Expedition finds the tomb of Osiris and Isis:
The Steward Expedition found a small pyramid temple several miles outside of present-day Cairo, Egypt. They uncovered several artifacts, including 10,000-year-old ones and the canopic jars into which Osiris and Isis had been banished. The ship transporting these artifacts to the United States sank off the coast of New Jersey six months after the discovery. Isis died when her canopic jar was damaged in the shipwreck, but Osiris's jar remained intact. When the Expedition members unsealed the tomb, they were exposed to mold spores that caused them all to die within a year. From all of this misfortune, the artifacts were said to be cursed because the tomb had been disturbed. (4.14 "The Curse")

A.D. 1939
Stargate is shipped to Boston; Time traveler ensures Stargate arrives safely:
Dr. Langford convinced United States President Franklin D. Roosevelt to begin the study of the device he found in Egypt, which he called the "Doorway to Heaven". Roosevelt thought that it might have been a weapon, and he wanted to prevent it from falling into enemy hands before the outbreak of World War II, so he ordered that the crated artifact be shipped to the United States by the Merchant Marines aboard the Achilles. Captain Mitchell, not knowing what the cargo was, plotted a course that zig-zagged across the Atlantic to avoid U-Boats. The ship, its crew, and its precious cargo arrived safely in Boston after the intervention of a time traveling version of the captain's grandson, Cameron Mitchell, prevented the Goa'uld System Lord Ba'al from changing the timeline. (It was the System Lord's plan to blow up the Achilles to stop the Stargate from reaching the United States, thus preventing the founding of the Stargate Program that would see the end of the Goa'uld System Lords' reign.). (1.11 "The Torment of Tantalus", Stargate: Continuum)

Remarkably, the time traveler was photographed with the captain after the Achilles safely reached Boston, and this picture was passed down in the family until it got to Cameron Mitchell in the present day. Even though the time traveler, the captain, and the crew of Achilles were witness to Ba'al's invasion and the Achilles was damaged with the unstable vortex of the Stargate's wormhole, the secrets of the Stargate were kept so that the "original" timeline was preserved. (Stargate: Continuum)

A.D. 1945
Langford's research team had to attach power and dial the Stargate manually because they didn't have the Dial Home Device (DHD). It was later revealed that the Russians confiscated it from the Germans after the end of the war. (1.11 "The Torment of Tantalus", 4.07 "Watergate")

One of the members of Langford's research team was Professor Ernest Littlefield, a young archaeologist who was engaged to be married to Langford's 21-year-old daughter Catherine. Littlefield was so preoccupied with studying the Stargate that he failed to ask Langford for Catherine's hand in marriage. He determined that the cartouche on the coverstone was actually a six-point location in space and that the device was capable of going to lots of places because there were more than six symbols on it. Langford dismissed this theory, instead advocating that "doorway to heaven" could mean that the device kills. (1.11 "The Torment of Tantalus")
The team randomly dialed the Stargate and succeeded at making a connection. Littlefield volunteered to go through it. He was fitted in a diver's suit, but after he passed through the event horizon, the Stargate deactivated, and his umbilical was severed. No one knew what had happened to him, but they all assumed that he was dead. The Stargate was packed into a storage crate and placed in an armory in Washington, D.C. The research film and papers were packed away into boxes and stored in the Pentagon. Langford never told Catherine that the Stargate had been activated and that Ernest had stepped through it. Instead, he told her that Ernest died in an explosion at the lab. Catherine, brokenhearted, never married. (1.11 "The Torment of Tantalus", 2.21 "1969")

A.D. 1969-1994
Catherine Langford began to study the Stargate once again using her father's research notes, which he told her were all that existed to document his project. She still wasn't told that her father's team activated the "Doorway to Heaven" back in 1945 and that Ernest Littlefield had gone through it. The study of the device was slow, but Catherine recognized the need to provide it with stable power to unlock the inner ring. (1.11 "The Torment of Tantalus", 2.21 "1969")

Langford's interest in starting up the study of the device once again might have been sparked by a visit from a young man claiming to be the son of one of her father's colleagues. He and the young woman who accompanied him discussed the discoveries made by the Langford Expedition and asked about the current whereabouts of the device. Amazingly, this young couple were actually the time travelers Dr. Daniel Jackson and Captain Samantha Carter, who had been accidentally sent back to 1969 by the Stargate and needed to get back to their own time where they were members of SG-1 in the Stargate Program. (2.21 "1969")

Starting in 1982, Catherine's research team began to develop a computerized system to dial the Stargate instead of having to do it manually. (1.01 "Children of the Gods Part 1")
Catherine was not given access to her father's team's research that was classified and filed away in the Pentagon when her project came under the control of the Air Force around 1985.

Eventually, the project, called Project Giza, was overseen by General West and was kept deep in the bowels of Cheyenne Mountain in Colorado Springs, Colorado. Catherine was promised complete autonomy in the project, even though it was being overseen by the US military. The research team continued to develop a computer program that would spin the inner ring and lock the chevrons on the Stargate, but they never could get the device to activate because they failed to recognize the need for the seventh chevron (to indicate the point of origin to plot a course to the point in space defined by the other six symbols in the Stargate address from the coverstone). (Stargate: The Movie, 1.11 "The Torment of Tantalus")

Air Force Captain Samantha Carter held a doctorate in Theoretical Astrophysics and was assigned to Catherine's team to study the Stargate sometime around 1994. Most of her time was spent at the Pentagon trying to convince the Air Force to continue the study of the device, even though they still didn't know what it was. This project was later called the Stargate Program after Dr. Daniel Jackson solved the riddle of the device's function. (1.01 "Children of the Gods Part 1", 1.11 "The Torment of Tantalus", 2.09 "Secrets")

Also around 1994, Catherine brought in new team members to translate the coverstone and study the device in Cheyenne Mountain. (Stargate: The Movie, 1.01 "Children of the Gods Part 1")

A.D. 1996
Finally, after two years of study by a team of linguists who were assigned to translate the coverstone, Catherine Langford recruited the young archaeologist Dr. Daniel Jackson. Langford had read about Dr. Jackson's theories on the Great Pyramid's having been built long before the majority of the archaeological community believed, basing this conclusion on the writing forms found inside the Pyramid. She believed that if anyone could translate the coverstone correctly, it would be Jackson, and that he'd be the one to figure out what the Stargate really was. (Stargate: The Movie, 1.01 "Children of the Gods Part 1", 1.11 "The Torment of Tantalus")

Langford gave Jackson a plane ticket to Colorado, and having nowhere else to go, he decided to take the trip. Catherine had told him that he'd have a chance to prove his theories correct and that made him curious. Langford showed Jackson the coverstone and he fixed the translations immediately, telling them that the hieroglyphs told of a "Stargate", not a "Doorway to Heaven". Using this information, he translated the cartouche as a Stargate address represented by symbols that were depictions of constellations. He figured out that the Stargate went to other points in space by the use of the six-symbol address and the point of origin without having yet laid eyes on the actual Stargate itself. (Stargate: The Movie)

Once he was given access to the Stargate, Daniel figured out the point of origin symbol and the team successfully dialed the Stargate to the address on the cartouche, which happened to be that of Abydos, Ra's planet. (Stargate: The Movie)

Colonel Jack O'Neill led a team, which also included Dr. Jackson, through the Stargate to Abydos, where they met the Abydonians, descendants of ancient Egyptians whom Ra brought through the Stargate. They spoke Ancient Egyptian, a language that was no longer spoken on Earth, but that Daniel quickly picked up after a native woman, Sha're, introduced the sounds to him. Sha're showed Daniel the records of their people's enslavement that was drawn on the walls of a cave system. (Stargate: The Movie)

While the expedition was on Abydos, Ra came to gather the latest yields from the naquadah mines. Ra's guards killed Daniel and imprisoned the rest of the team's members, including O'Neill. Ra was curious about the Ra necklace that Catherine had given to Daniel for "good luck", so he revived him in the sarcophagus. Daniel spoke with Ra in Ancient Egyptian, and Ra told Daniel that he planned to send to Earth and detonate the bomb that O'Neill had brought with him in case he found a threat. (Stargate: The Movie)

With the help of the Abydonians, especially a group of boys led by Sha're's brother Skaara and her father Kasuf, the Earthmen vanquished Ra. O'Neill and Jackson sent the bomb that Ra had armed and enhanced with the naquadah to Ra's ship by using the ring transporter that linked the temple directly to Ra's ship. The ship blew up in Abydos's orbit. Little did they know that their destruction of Ra would throw the System Lords into chaos as they vied for control of Ra's vast territory, which included Earth. (Stargate: The Movie, 1.01 "Children of the Gods Part 1")

Daniel and Sha're fell in love, so Daniel decided to stay with her on Abydos while O'Neill and his surviving team members returned to Earth through the Stargate. After they left, Daniel buried the Abydos Stargate. (Stargate: The Movie, 1.01 "Children of the Gods Part 1")

Col. O'Neill had been retired from the Air Force at the time he was called by General West to oversee the Stargate Program (as it was later called). This resignation was at the heels of O'Neill's son's tragic accidental death (he shot himself with O'Neill's service revolver). O'Neill had been quite suicidal after his son's death, but the mission to Abydos renewed his purpose. Even so, he once again resigned from the Air Force after his return to Earth. O'Neill returned the Ra necklace to Catherine with a message from Daniel: "Tell Catherine this brought me luck." (Stargate: The Movie, 1.01 "Children of the Gods Part 1", 1.11 "The Torment of Tantalus")

After about a month on the planet, Daniel discovered Ra's map room with all of the Stargate addresses of the planets in the Goa'uld's domain. Curious, he unburied the Stargate and tried out some of the addresses, but couldn't make a lock. He figured that these Stargates had been either destroyed or buried just like the one on Earth had been. Knowing the dangers that reopening the Stargate could bring, Daniel trained Skaara and other Abydonians to keep a 36-hour watch by arming them with the Earth weapons that O'Neill's team left behind. (1.01 "Children of the Gods Part 1")

CA. 1997-98 (SG-1 Season One)
■ Apophis searches the galaxy for new Goa'uld hosts, including one for his queen. He travels to Earth with his forces, unintentionally reactivating Cheyenne Mountain Complex to assess his threat.
■ Apophis travels to Abydos and steals Sha're and Skaara.
■ Daniel Jackson orders that the Abydos Stargate be buried for exactly oneAbydonian year after he departs.
■ Stargate Command and Sierra Golf teams 1 through 9 are formed.
■ Sha're and Skaara become unwilling hosts to the Goa'uld Amonet and Klorel, respectively.
■ Teal'c betrays Apophis and is branded "shol'vah," paving the way for an outrightJaffa rebellion.
■ SG-1 makes contact with the Nox.
■ Daniel Jackson destroys Thor's Hammer on Cimmeria in order to free Teal'c from the Asgard anti-Goa'uld technology.
■ SG-1 is sent to Heliopolis with Catherine Langford to rescue Ernest Littlefield. There, they discover the ancient meeting place of the four great races, as well as knowledge of their existence.
■ Teal'c fails in preventing his son Rya'c from receiving his first prim'tah. He is forced to leave his son and wife, Drey'auc, on Chulak to fend for themselves.
■ Nem, still searching for Omaroca, captures Daniel Jackson. Daniel recalls memories of a passage of text which reveal that Belos killed her.
■ Hathor is released from her Mayan prison and escapes through the Stargate.
■ Nirrti wipes out all the inhabitants of Hanka to prevent Stargate Command from discovering her hok'taur experiments. Cassandra, the lone survivor, is sent back to Earth as a trojan horse. Her explosive breaks down inside her body instead.Janet Fraiser adopts Cassandra.
■ SG-1 rescues the last evacuation team of Tollan officers. Persecuted by the N.I.D., the Tollan join the Nox. Both parties eventually find a way to send the survivors to their people's new home world, Tollana.
■ The Antarctic Stargate is discovered.
■ The last survivor of Altair, Harlan, creates SG-1 duplicates to help him maintainHubbald's underground complex.
■ Senator Robert Kinsey cuts funding to Stargate Command.
■ Daniel Jackson, having received a warning from an alternate reality (as well as a gate address to a Goa'uld stronghold), convinces the rest of SG-1 to stop the threat. They emerge aboard Klorel's mothership, en route to destroy Earth.
■ SG-1 and Bra'tac neutralize Apophis and Klorel's motherships.
■ Funding to Stargate Command is reinstated.

1998
■ The Wraith cull Ronon Dex's home planet of Sateda. Ronon is made a Runner. ("Sateda")

CA. 1998-99 (SG-1 Season Two)
■ Scientists at Area 51 recover two Goa'uld death gliders and begin to retrofit them for the X-301.
■ Samantha Carter is forcibly blended with Jolinar, who is on the run from a Goa'uldashrak. Jolinar expends all of her energy to preserve Carter's life.
■ SG-1 is sentenced by the Taldur to life imprisonment in Hadante. The team works with Linea to leave the prison world. Once out Linea, called "Destroyer of Worlds," escapes.
■ With Thor's Hammer destroyed, Heru'ur takes Cimmeria for himself. Daniel Jackson breaks the natural cycle of Cimmerian development for the people and reveals the Asgard -- their gods -- prematurely. Thor arrives in the Asgard mothership Beliskner to wipe out Heru'ur's forces. But Heru'ur himself escapes.
■ The P5C-353 Orb is brought back to Earth, where it is opened. Stargate Commandagrees to deposit the Orb on P4G-881.
■ Apophis takes Rya'c as his pupil. Teal'c receives word and returns to Chulak to rescue his son.
■ One Abydonian year to the day, Daniel returns to Abydos and finds Sha're with her father. She is pregnant, and the Goa'uld Amonet is sleeping so that the child will not emerge stillborn.
■ Jacob Carter informs his daughter Samantha that he has lymphoma and a terminal diagnosis.
■ Shifu, the son of Apophis and Amonet, is born. Heru'ur travels to Abydos to steal him, but Daniel Jackson hides the baby among the Abydonians and makes Amonet think Heru'ur was successful. Apophis, hoping to meet his newborn son, leaves only with Amonet.
■ SG-1 meets the Tok'ra and establishes a tentative alliance.
■ Selmak, in need of a new host, blends with Jacob Carter and becomes Earth'senvoy. Saroosh, Selmak's previous host, dies.
■ SG-1 tampers with the natural balance between the Salish and their Spirits, forcing the spirits to reveal their true nature.
■ Rogue N.I.D. agents remove the Touchstone from Medrona, plunging the planet into an ice age. SG-1 retrieves the device and returns it to the Medronans before the damage is permanent.
■ Jack O'Neill accidentally downloads the entire database of the Ancient repository of knowledge into his mind. The information in his brain allows him to install numerous new Stargate addresses, not known to the Goa'uld, into the dialing computer. O'Neill sends himself to the Ida Galaxy where the Asgard remove the knowledge.
■ A black hole causes P3W-451 to succumb to a time dilation field, trapping SG-10on the planet.
■ Apophis pleas with SG-1 to protect him from Sokar. He dies of his injuries atStargate Command. Teal'c sends his body through the Stargate to the waiting hands of Sokar, who reanimates Apophis to repeatedly torture him to death.
■ Ma'chello tricks Daniel Jackson into transferring bodies. He leaves the base for Colorado Springs, but the authorities soon capture him. Ma'chello is forced to return to his original body, where he dies.
■ George Hammond notices the same wound on Samantha Carter's hand, and realizes the time has come to write the note to his younger self. After an adventure in 1969 and the distant future, SG-1 returns to their proper time.
■ Hathor captures SG-1 and stages an elaborate hoax to gain what information they have about the current Goa'uld domain. A Tok'ra agent helps free the team. O'Neill pushes Hathor into a cryogenic soup, killing her.

CA. 1999-00 (SG-1 Season Three)
■ Seth is killed by Samantha Carter.
■ Samantha Carter is promoted to the rank of Major.
■ The Asgard mediate with the Goa'uld System Lords on Earth and place the planet under the Protected Planets Treaty.
■ Nirrti is banished by the System Lords and becomes a renegade.
■ The Orbanians share naquadah reactor technology with Earth.
■ Amonet/Sha're is killed by Teal'c.
■ Linea is identified in the body of Ke'ra.
■ Apophis is branded Na'onak and becomes First Prime to Bynarr, ruler of Ne'tu. Apophis slays Bynarr to gain access to the imprisoned SG-1.
■ Sokar is killed. Apophis takes his armies for himself.
■ Klorel/Skaara is recovered by the Tollan people. Humans, Goa'uld and Noxmediate over which entity will take ownership of Skaara's body. The Nox rule in favor of Skaara. Klorel is extracted and sent to a Goa'uld planet of his choice.
■ Harry Maybourne's off-world rogue N.I.D. operation is halted by Jack O'Neill. Maybourne flees to Siberia.
■ The Bedrosians excavate their Stargate.
■ Daniel Jackson discovers Kheb and the location of Shifu. The ascended Oma Desala stops an attack by Apophis and flees with the baby to another world.
■ Replicators travel to Earth aboard Thor's ship. SG-1 destroys the vessel. One Replicator survives and infests a Russian submarine. The sub is destroyed, and the U.S. military conceals the incident from the Russians.

CA. 2000-01 (SG-1 Season Four)
■ The Russians recover the Egyptian Stargate from the bottom of the Pacific Ocean and soon establish their own Stargate program in Siberia.
■ A Russian team is sent to P2X-338 to recover the Eye of Tiamat.
■ The Rogue N.I.D. begin to experiment with combining human DNA with that of the Goa'uld Sekhmet. ("Resurrection")
■ Shau'nac is killed by Tanith. Teal'c vows to avenge her death.
■ Martouf is killed by Samantha Carter. The Tok'ra symbiote Lantash survives in stasis.
■ Stargate Command begins to transfer Enkaran refugees to a new home world.
■ SG-1 is sent to Siberia to deactivate their Stargate and investigate the Russians' failed program.
■ Harry Maybourne is captured in Siberia and imprisoned.
■ Daniel Jackson establishes peaceful relations with an Unas tribe on P3X-888.
■ The Enkarans are flown to their original homeworld in a Gadmeer terraformer.
■ The X-301 is deemed a failure.
■ Artifacts from the Stuart Expedition are excavated from the ocean floor and sent to the University of Chicago.
■ Osiris is released from its canopic jar by Sarah Gardner, who is taken as its new host. She kills David Jordan and flees Earth in a hidden ship.
■ Heru'ur captures Teal'c and offers him as a gift of good faith to Apophis for forming an alliance. Apophis falls for a Tok'ra ruse and destroys Heru'ur, absorbing his fleet. Teal'c escapes with the converted Jaffa, Rak'nor.
■ George Hammond resigns from Stargate Command. General Bauer takes his place. Jack O'Neill works with Harry Maybourne to uncover Senator Kinsey'sinvolvement and force Hammond to be reinstated.
■ Robert Kinsey announces his plan to run for President of the United States.
■ A message from a future Jack O'Neill warns never to travel to P4C-970. Hammond orders the address blocked out of the dialing computer.
■ SG-1's Altairan duplicates invent power packs and use the Stargate to go on missions. They travel to Juna and are confronted by Cronus. Harlan pleas for the assistance of the original SG-1. Cronus is killed, and all of SG-1's clone duplicates lose power and die.
■ SG-1 and the Tok'ra detonate Vorash's sun, destroying most of Apophis's fleet.

CA. 2001-02 (SG-1 Season Five)
■ Apophis dies (again), this time at the hands of the Replicators and a ship crashing into the planet Delmak.
■ The ascended being Orlin is forgiven of his wrongdoing and allowed to rejoin the ascended collective.
■ SG-1 encounters the Reole and gains access to their chameleon-like chemical.
■ Cassandra comes of age and her physiology begins to mutate. Nirrti arrives atStargate Command to continue her hok'taur experiments. She is discovered and is set free in exchange for saving Cassandra's life.
■ The Unas Chaka is captured by Burrock's people. Daniel Jackson and SG-1manage to free the Unas, but the creatures take the fight back to the villagers.
■ SG-1 and a Russian unit investigate the missing team from P2X-338. Mardukretakes a human host. He and the Eye of Tiamat are buried in rubble from a C4 explosion.
■ The Tollan Curia form an alliance with Tanith, an envoy of Anubis, to prevent their annihilation, and agree to develop phase-shifting weapons of mass destruction. The Tollan Narim takes matters into his own hands and destroys the manufacturing plant. Anubis's forces destroy the Tollan civilization from orbit.
■ SG-1 forms a tentative alliance with the Aschen. When it is discovered that their home world may be P4C-970, Hammond orders the team to investigate further. The Aschen's plan to absorb Earth into their confederation and make humans extinct is thwarted.
■ Adrian Conrad is implanted with a Goa'uld. Frank Simmons kidnaps him as a future bargaining chip for the Rogue N.I.D..
■ Tanith is killed by Teal'c.
■ Anubis reveals his return to the System Lords who (minus Yu) vote him back into their ranks in exchange for destroying Earth. Osiris holds his seat on the council.
■ Lantash and Lt. Elliot die.
■ Jonas Quinn smuggles naquadria to Earth.
■ Daniel Jackson ascends with the help of Oma Desala.
■ Thor's consciousness is downloaded into Osiris' mothership. His clone body lapses into a coma.

CA. 2002-03 (SG-1 Season Six)
■ The X-302 interceptor is completed.
■ Teal'c's wife Drey'auc dies.
■ Naquadria-based hyperspace technology is deemed a failure.
■ Anubis destroys the Antarctic Stargate, but fails in destroying Earth.
■ Jonas Quinn joins SG-1.
■ Thor's consciousness is transferred into data crystals and sent to the Asgard so that he may be given a new clone body.
■ Ayiana is unfrozen in Antarctica and spreads the plague to the team. She heals everyone except Jack O'Neill, who is sent to the Tok'ra to be implanted withKanaan.
■ Kanaan leaves Jack O'Neill. O'Neill is repeatedly tortured to death and resurrected by Baal.
■ The Tok'ra locate Egeria on Pangar and set her free before she dies.
■ The Pangarans share tretonin with Earth.
■ Frank Simmons and Adrian Conrad steal the X-303 Prometheus. Simmons and Conrad are killed.
■ SG-1 isolates the entire Replicator civilization inside a time dilation field. The Replicator Fifth is tricked into becoming part of the plan.
■ The Tok'ra agree to find Harold Maybourne his own planet on which to quietly retire.
■ Nirrti is killed at the hands of the victims of her genetic experimentation.
■ The governments of Great Britain, France and China are informed of Stargate Command. Seeds for the International Oversight Advisory are planted.
■ A Free Jaffa summit at Kresh'ta is ambushed. One hundred eight Jaffa are slaughtered. Both Teal'c and Bra'tac lose their symbiotes and must adapt to the drug tretonin.
■ The Prometheus is officially launched as Earth's first interstellar vessel, but soon becomes stranded across the galaxy and begins a year-long journey back toEarth.
■ The Tagrean Stargate is unburied.
■ The Goa'uld Mot is killed.
■ The System Lords formally disavow Anubis, despite having welcome him back into their ranks a year earlier.
■ Oma Desala banishes Daniel Jackson from ascension, leaving him destitute on Vis Uban. She helps the entire Abydonian population to ascend.
■ Anubis destroys Abydos.

CA. 2003-04 (SG-1 Season Seven)
■ Daniel Jackson is located on Vis Uban. After gradually recovering his memories he rejoins SG-1.
■ Jonas Quinn leaves SG-1 to help rebuild his planet.
■ Earth's Alpha Site is moved to another planet.
■ Thor stops Loki from running experiments on humans.
■ SG-1 rescues the crew of the alien ship Stromos.
■ Stargate Command establishes a mining treaty with the Unas of P3X-403, which will expedite the construction of BC-303s.
■ Anubis develops Kull warriors to begin to phase out the increasingly rebelliousJaffa.
■ Samantha Carter begins seeing Pete Shanahan.
■ Osiris is removed from Sarah Gardner.
■ The second Alpha Site is destroyed.
■ Samantha Carter and Jacob/Selmak develop a technology to combat the Kull warriors.
■ Emmett Bregman films the Stargate Command documentary.
■ Janet Fraiser is killed while on an off-world mission, shot down by fire from a Jaffastaff weapon.
■ Rogue N.I.D. experiments with Sekhmet come to a horrific end.
■ United States President Henry Hayes takes office with Vice President Robert Kinsey.
■ Jack O'Neill again downloads the knowledge of the Ancients into his mind, leadingSG-1 to Proclarush Taonas to locate a Zero Point Module.
■ George Hammond is relieved as leader of Stargate Command, and is sent to Washington to advise President Hayes. Elizabeth Weir takes his place.
■ Anubis takes his battle to Earth.
■ President Hayes learns of Robert Kinsey's treachery and forces him to resign from the office of vice president.
■ SG-1 installs the Taonas Zero Point Module into the Atlantus defense system. Jack O'Neill uses it to destroy the 30 Goa'uld ships in orbit. O'Neill, near death, is placed in suspended animation.
■ Cameron Mitchell, critically injured in the battle over Antarctica, begins a year of rehabilitation.

CA. 2004-05 (SG-1 Season Eight, Atlantis Season One)
■ Having survived the destruction of his ship in Earth orbit, Anubis' energy essence transfers into Russian cosmonaut Anatole Konstantinov with the intention of escaping through the S.G.C. Stargate.
■ The System Lords travel to Earth to ask for assistance in destroying Baal.
■ The Replicators are loosed from their time dilation prison. Fifth captures and tortures Samantha Carter.
■ A viable means of combating the Replicators is developed into a weapon.
■ The Asgard once again erase the knowledge of the Ancients from Jack O'Neill'smind in order to save his life.
■ Elizabeth Weir steps down as leader of Stargate Command. Jack O'Neill is promoted to Brigadier General and appointed leader of Stargate Command.Samantha Carter is promoted to Lieutenant Colonel.
■ Fifth fabricates a Replicator duplicate of Samantha Carter.
■ Elizabeth Weir leads an expedition to Atlantis in the Pegasus Galaxy.
■ John Sheppard inadvertently awakens the Wraith from their millennia-long hibernation when he kills the Wraith Keeper.
■ Anubis is imprisoned on KS7-535. He eventually finds a means of escaping.
■ Camulus is captured by Baal.
■ Tegalus nations Rand and Caledonia declare war.
■ Pete Shanahan proposes marriage to Samantha Carter.
■ Carson Beckett and Perna develop the Hoffan drug.
■ Colson Industries declares bankruptcy.
■ Atlantis and the Genii develop a tenuous relationship.
■ The Goa'uld Moloc is killed.
■ Teal'c's son Rya'c marries Kar'yn.
■ Members of the rogue N.I.D. set off into the galaxy aboard Osiris's abandonedal'kesh vessel.
■ The Genii attempt to seize Atlantis during a hurricane.
■ Replicator Carter becomes impervious to the Replicator disruptor technology.Fifth is destroyed.
■ Vala Mal Doran attempts to sell the Prometheus to the Lucian Alliance.
■ The Atlantis expedition locates the last remaining Ancient satellite in the Lantean System.
■ Elizabeth Weir Prime is revived from her stasis chamber and, before she dies, tells the story of how she saved the city.
■ The Replicators enter the Milky Way Galaxy and declare war on the Goa'uld. The Goa'uld are all but defeated. The Dakara super-weapon is reconfigured to destroy the Replicators.
■ Oma Desala saves Daniel Jackson from death at the hands of Replicator Carter by ascending him.
■ With the Goa'uld dynasty in ruins, Baal enters hiding on Earth.
■ Three Wraith hive ships begin their journey to Atlantis.
■ The Quindosim refuse to hand over their Zero Point Module to the Atlantis expedition.
■ Jacob Carter and Selmak die.
■ Samantha Carter breaks her engagement to Pete Shanahan.
■ Realizing Anubis cannot be killed, Oma Desala occupies him in a direct confrontation for all eternity.
■ Daniel Jackson returns to Stargate Command.
■ Atlantis transmits messages to Stargate Command.
■ The Daedalus is launched as Earth's third deep-space carrier, and sets out forAtlantis.
■ The Ancient satellite disables one Wraith hive ship before it is destroyed, killingPeter Grodin.
■ The Wraith lay siege to Atlantis from space.
■ The Daedalus arrives at Atlantis, providing them with a Zero Point Module.
■ Aiden Ford leaves Atlantis.
■ Atlantis conceals itself from the Wraith, making it appear as though the city has been destroyed.

CA. 2005-06 (SG-1 Season Nine, Atlantis Season Two)
■ General Jack O'Neill hand picks Hank Landry to succeed him as leader of Stargate Command. O'Neill relocates to Washington D.C. to lead the newly-formed division of Homeworld Security.
■ Vala Mal Doran begins joining SG-1 on missions.
■ The Ori become aware of humans living under the protection of the ascendedAncients in the Milky Way Galaxy. Though they cannot confront the Ancients themselves, they begin sending missionaries to persuade the masses.
■ Ronon Dex ceases being a Runner and joins the Atlantis expedition.
■ The Ori destroy the planet Kallana in an attempt to install a Supergate in theMilky Way Galaxy, but they are thwarted by Vala Mal Doran. Vala herself is accidentally transported back to the Ori Galaxy.
■ The Ori cause Vala Mal Doran to conceive a child without a husband. Fearing persecution by Ori followers, she marries Tomin.
■ Baal acquires numerous corporations on Earth and funnels their resources into creating clones of himself.
■ Carson Beckett begins to experiment with a drug which can excise Iratus DNA from Wraith, making them essentially human.
■ SG-1 makes contact with the Sodan.
■ Anubis's clone son Khalek provides a vital clue for the creation of a Prior inhibitor.
■ The Aurora crew, still in their stasis pods, become compromised by a Wraithinfiltrator posing as an officer. The knowledge of the weakness in Wraith technology is lost when the ship is destroyed.
■ A Prior plague is unleashed on Earth, killing thousands. The Ancient Orlin retakes human form to create a defense.
■ The Prior inhibitor is field-tested and proves largely successful at stopping the powers of the Ori Priors.
■ Aiden Ford is presumed dead.
■ The Ori provide Tegalus with a powerful satellite weapon, but only give it to theRand Protectorate.
■ The Earth ship Prometheus is destroyed in battle over Tegalus.
■ A brief truce between Rand and the Caledonian Federation ultimately falls on deaf ears and the two nations destroy each other.
■ The Odyssey, a more advanced Earth vessel and the first in a new line of deep space carriers, is launched.
■ The Priors release flesh-eating insects on certain worlds which refuse to acceptOrigin.
■ Ladon Radim leads a coup de'tat against the Genii leader Cowen. He restructures the nation's corrupt government.
■ Merlin's anti-Ori reaserch is discovered by SG-1, who begin a search for the weapon he created to defeat them.
■ The Sodan civilization is destroyed.
■ Carson Beckett's Wraith retrovirus is successfully tested on a Wraith the expedition nicknames Michael Kenmore. However, Michael discovers his true identity on his own and escapes with the knowledge of Atlantis's location.
■ The Korolev, a new deep-space carrier operated by the Russian military, is launched.
■ The Ori construct a Supergate in a hidden location in the Milky Way. Priors pilot ships full of armies prepared to unleash Origin by force. Four Ori warships swiftly defeat the human, Jaffa, Tok'ra, Asgard and Lucian Alliance forces.
■ The Korolev is destroyed in battle with the Ori. The ship's new commander,Colonel Chekov, is killed.
■ Michael's Wraith hive forges a tentative alliance to convert all other Wraith in the galaxy into humans with the Wraith retrovirus. However Atlantis is double-crossed, as their true motivation is to locate Earth. (This is eventually thwarted.)

CA. 2006-07 (SG-1 Season Ten, Atlantis Season Three)
■ Vala Mal Doran gives birth to a daughter, Adria, fathered by the Ori.
■ Michael is reverted to a human once more, but the effect is only temporary. He steals a sample of Carson Beckett's blood and vows to never again to be tricked by Atlantis.
■ Vala Mal Doran becomes a probationary member of Stargate Command.
■ SG-1 travels to the Pegasus Galaxy to dial the Milky Way Ori Supergate. In the process an Ori warship and Wraith hive ship are defeated. The ascended Morgan Le Fay provides Daniel Jackson with crucial information before she is whisked away to be punished by the others on her plane.
■ The Asurans discover that the Ancient city of Atlantis still exists and attempt to destroy it. Rodney McKay creates a back door into the Replicator base code in order to exploit their programming.
■ Adria destroys the Jaffa settlement on Dakara.
■ Vala Mal Doran becomes a full member of SG-1.
■ The Daedalus locates the Ancient warship Tria, halfway through its journey to theMilky Way Galaxy. Learning of the current state of humanity, they return toAtlantis and retake it for themselves.
■ The Ancients underestimate Rodney McKay's modifications to the Replicator base code and are defeated when the Asurans arrive. John Sheppard and his team retake the city with A.R.G.s.
■ SG-1 joins Baal and Adria on a quest to track down Merlin's weapon, but instead discover Merlin himself. Before dying, Merlin transfers his consciousness intoDaniel Jackson so that he may rebuild the weapon once more. Adria kidnaps Jackson.
■ Carson Beckett is killed in an explosion inside Atlantis, saving the city.
■ Adria transforms Daniel Jackson into a Prior of the Ori. Despite his dramatic change in appearance, the presence of Merlin's consciousness provides him with the protection from her influence. Jackson completes the weapon and sends it through the Ori Supergate aboard one of their ships, killing the ascended beings in their galaxy.
■ Baal implants a clone symbiote of himself into Adria to take advantage of her knowledge and power. The Tok'ra remove the symbiote, but not before fatally wounding her. To escape death, she ascends.
■ The deep-space carrier Apollo is launched, under the command of ColonelAbraham Ellis.
■ The Asgard genetic degradation problem reaches an irreparable point. The race installs a computer core with an archive of their collected knowledge and technology into the Odyssey and then commits mass suicide, destroying their homeworld bringing their civilization to an end.
■ Elizabeth Weir offers Jennifer Keller the position of chief medical officer following the death of Carson Beckett death.
■ A preemptive strike to annihilate Replicator warships under construction (presumably to assault Atlantis or, eventually, Earth) brings down the full wrath of the Asurans on Lantea. Elizabeth Weir is severely injured during Atlantis's flight from the planet.

CA. 2007-08 (Atlantis Season Four, The Ark of Truth)
■ SG-1 takes the Odyssey into the Ori Galaxy to locate the Ark of Truth, a technology originally created by Amelius long ego to forcibly brainwash the opposingAsurans. The ark is unveiled before the Doci, who communicates his knowledge to all other Priors. The ascended Adria is then confronted by Morgan Le Fay and engaged in eternal combat -- effectively bringing the Ori threat to an end.
■ Elizabeth Weir sacrifices herself so that John Sheppard's team may succeed in stealing a Zero Point Module from Asuras in order to save Atlantis.
■ Rodney McKay reactivates the Replicators' original base command to assault theWraith, provoking a new conflict in the Pegasus Galaxy.
■ Atlantis settles on a new home world. Following the loss of Elizabeth Weir,Samantha Carter is made leader of the expedition.
■ John Sheppard forms a loose affiliation with the Travelers.
■ Teyla Emmagan becomes pregnant with Kanaan's child.
■ The Asurans switch tactics and begin eliminating human worlds in an effort to destroy the Wraith's food supply.
■ Atlantis forces join with the Wraith and Travelers to destroy Asuras and end theReplicator threat once and for all.
■ A Wraith cloning facility is destroyed.
■ On Earth, John Sheppard's father dies.
■ Ronon Dex teams up with Teal'c to halt a Wraith invasion of Stargate Command. The I.O.A. approve Teyla Emmagan and Ronon's positions on Sheppard's team.
■ Michael unleashes a modified version of the Hoffan drug on the Pegasus Galaxy.
■ A clone of Carson Beckett is recovered from Michael, but without a vital injection from Michael he is forced into suspended animation in Atlantis.
■ Michael captures Teyla Emmagan to use her child for his own purposes.

CA. 2008 (Atlantis Season Five, Continuum)
■ Teyla gives birth to Torren Emmagan. She and Kanaan are rescued from Michael and return to Atlantis.
■ Samantha Carter is recalled for Baal's symbiote extraction ceremony. Richard Woolsey takes her place as leader of the Atlantis expedition.
■ Baal travels back in time to 1939. In the present, his last clone symbiote is extracted from the clone host.
■ A splinter group of Asuran Replicators, lead by Elizabeth Weir, seek flesh-and-blood bodies in order to achieve their ultimate goal of ascension. Replicator Weir realizes that her new allies will never cease being a threat and leads them through to a space Stargate.
■ Rodney McKay and Jennifer Keller begin a romantic relationship.
■ Teyla Emmagan is genetically altered to take the place of the queen in the WraithTodd's fleet.
■ Daniel Jackson visits Atlantis to discover the secret lab of Janus. The accidental activation of Janus's Attero console attracts a renegade faction of Asgard , the Vanir, to the base, who kidnap Jackson and Rodney McKay.
■ Rodney McKay activates the Attero device, destroying all Wraith hive ships in -- or entering -- hyperspace. The device is later destroyed and McKay and Jackson are rescued.
■ Sheppard's team is placed on trial for their crimes in the Pegasus Galaxy. Richard Woolsey advocates on their behalf before an alien court.
■ Michael and his men storm the Atlantis command tower to capture Torren Emmagan and destroy the city. The Stargate is remotely activated, destroying thePuddle Jumper he arrived in. On one of the city's rooftops, Teyla forces Michael to fall to his death.
■ George Hammond dies of a heart attack.
■ The Earth deep-space carrier Sun Tsu is launched.
■ Samantha Carter takes command of the Earth's latest deep-space cruiser, theU.S.S. George Hammond.
■ A set of coordinates in an alternate reality clue a massive hive ship to the location of Earth. Atlantis returns to the Milky Way to eliminate the threat before landing in San Francisco bay.

CA. 2009-10 (SGU Season One)
■ Atlantis returns to Pegasus Galaxy, after skillful maneuvering by General O’Neil and Woolsley. They find that a Wraith leader has emerged. Lady Death. She actively culls planets till no one is left, rather than leave some to breed and rebuild populations.
■ Atlantis lands on a wintery ocean planet after running low on power. The planet is on the outer edge of the Pegasus galaxy.
■ McKay is kidnapped by the Wraith and made into one, so that they can pry at his secrets. And to find Earth.
■ Atlantis Scientists discover an Ancient lab on the winter planet, where the Wraith were held once.
■ It’s discovered that Hyperion, an ancient, created the Wraith in an attempt for making physical immortality possible without ascending.
■ Icarus Base personnel and guests are forced to evacuate to the Ancient shipDestiny during a surprise attack. With Earth several billion light years away the small band of survivors prepare for a long journey.
■ Homeworld Command enacts their plan to forcibly remove Colonel Young from command of Destiny, draining her weapon reserves so that they may attempt to dial Earth while she is recharging within a star. Dr. Nicholas Rush rigs a light show to force Colonel Telford and his team to retreat from the ship. Young, now restored to command, makes it clear to the Pentagon that he is in charge of the ship -- whether they like it or not. The Destiny crew begin to settle in for the long voyage ahead.
■ Rush frames Colonel Young for the death of Spencer, who committed suicide from cabin fever. Young coaxes this information from Rush while alone on a planet. A fight ensues and Young, having beaten Rush unconscious, leaves him for dead.
■ The blue aliens reveal themselves and dogfight with Destiny and her shuttle in order to buy time to capture Chloe Armstrong. Colonel Young uses thecommunication stones to switch bodies with one of the blue aliens, who somehow possess a stone of their own, until he discovers a confined Dr. Rush. Young sets him free, and Rush and Chloe escape with a shuttle.
■ The Destiny crew come upon an artificially created world. A group of the ship's complement take extended shore leave on the planet while Destiny is out of range, but ultimately several choose to stay permanently. They designate this new world as Eden.
■ Lt. Johansen reveals she is pregnant with Colonel Young's baby, the result of an affair prior to their arrival on Destiny.
■ Chloe Armstrong begins to show signs that she was experimented on by the blue aliens and is undergoing a gradual transformation.
■ Destiny departs the galaxy, crosses a great expanse at F.T.L., and enters a new galaxy.
■ The Lucian Alliance uses a naquadria-enriched planet to dial Destiny and seize the ship by force. Ultimately their leader is defeated and the remaining alliance members are placed under lockdown.
■ Telford reaches Destiny with the Lucian Alliance.
■ T.J. loses her baby in a Lucian gunfight in the medical bay. Destiny, recognizing the medic's emotional well-being is key to the mission as a whole, creates an elaborate hallucination to convince her an omnipresent race transferred her unborn child back to Eden to be raised by the settlers.

CA. 2010-11 (SGA Legacy Series) (SGU Season Two)
■ Atlantis continues the war with Lady Death, culminating in a massive battle with SG-1, battlecruisers Hammond and Dadelus, along with friendly Wraith forces. Death is killed by a half wraith converted Teyla, with assistance from Todd and converted McKay.
■ Peace in Pegasus Galaxy
■ Agreement between Atlantis, Wraith, and Genii, half the galaxy is Wraith controlled, while a new drug that allows feeding without killing to be dispersed.
■ Sateda being resettled and reclaimed by the Satedans, provisional gov’t est.
■ Dr Weir returns from Ascension: Vanir find an Asgard that was ascended who returns to help with repopulating the Asgard.
■ India’s Science/Research vessel Asoka is preparing to go to Pegasus Galaxy
■ Daniel Jackson takes up residence at Atlantis to begin research into the Ancients and deciphering the secrets of Atlantis.
■ Teal’c leaves the SGC to help his people rebuild
■ Nicholas Rush cracks Destiny's master control code and discovers the bridge, soon discovering the ship's true mission -- though he keeps it to himself for several weeks.
■ Lt. Riley is critically injured on an away mission, and ultimately suffocated byColonel Young to end his suffering.
■ Destiny catches up to a seed ship under the control of the Ursini, a nearly extinct alien species. Colonel Telford becomes trapped on their ship when they return toF.T.L. in the middle of a battle.
■ Destiny drops out of F.T.L. and only resumes its course when it is confidentColonel Young has digested his grief for killing Riley and is fit to command the crew.
■ Rush's secret trips to the bridge are discovered, and he is forced to revealDestiny's true mission to his colleagues.
■ The Lucian Alliance soldier Simeon kills Amanda Perry and Ginn and escapes to a desert planet. Several teams follow him, believing he has critical information regarding an imminent attack on Earth. Rush, however, tracks him down and kills him for murdering the woman he loved.
■ The crew left behind on "Eden" mysteriously return in range of Destiny aboard what appears to be a fully restored shuttle, only to gradually replay their deaths from a terrible winter on the planet. T.J. discovers her child is not among the crew.
■ Destiny enters a conflict with a fleet of drone ships left behind after an ancient war. The Ursini return aboard their seed ship and return Colonel Telford to the crew. The Ursini are ultimately destroyed by the drones.
■ Chloe's transformation by the blue aliens is nearly complete, and she summons them to assist in the fight against the drones. Lt. Scott returns her to them, and they appear to remove whatever was transforming her body.
■ Destiny and her crew are duplicated, the crew being sent 2,000 years into the past, and Destiny back in time a handful of hours. Only Nicholas Rush and David Telford remain from the original timeline. The duplicated Telford is killed by Dr. Rush Prime. Dr. Rush Prime appears to be destroyed along with Destiny Prime when the ship sinks into a star.
■ A Lucian Alliance terrorist attack on Earth is thwarted by Camille Wray and Ronald Greer.
■ Dale Volker's kidneys begin to fail, and Ronald Greer donates one of his.
■ The consciousness of both Amanda Perry and Ginn are discovered floating in the ether of space. Using Chloe and the communication stones, both women's minds are downloaded into Destiny's mainframe.
■ An attempt to use Langara's naquadria core as a power source to dial the ninth chevron fails when their government discovers Earth's duplicity.
■ The remaining surviving Lucian Alliance officers, save for Varro, are killed during a rescue mission.
■ The Destiny crew discovers a human colony of Novans and the truth about what happened to their counterparts. The people are rescued from their planet to return home to Novus. Upon arrival, it is apparent that Novus suffered a geological cataclysm that is still destroying the planet. Destiny downloads as much of the Novan archive as possible before it is destroyed, and the ship sets course to deposit the remainder of the Novans on a new world.
■ T.J. discovers she will contract Lou Gehrig's disease in five years.
■ When the drones' plan to block all Destiny-compatible stars in the galaxy is fully realized, Eli convinces Colonel Young that their only alternative is to "skip" the rest of the galaxy by putting the crew in stasis. But the crew is short one stasis pod, which is broken, and Eli volunteers to stay conscious in the hopes that he can discover a solution.
■ Colonel Carter is reassigned to the Infinity Wormhole Drive Project, to create a ship that can utilize a wormhole drive.

CA. 2013-15
■ General Landry retires
■ Colonel Reynolds is promoted to Brig General and put in charge of the SGC
■ SG-1 is effectively retired.
■ Colonel Cameron Mitchel is promoted to Brig General and put in charge of the Expedition to the Ida Galaxy, a survey of what the Asgard left behind. 304s Challenger and Phoenix are sent, will take 3 years to complete.
■ Ariane begins building the Austerlitz-class battleships to be manned by EU forces
■ The crew of the Destiny fail to check in at the designated time.
■ Experiments with Wormhole drives lead to many failures and are then abandoned after the test bed craft, Infinity, is lost with all hands. Colonel Carter is reassigned to the Hammond
■ War with the Lucian Alliance breaks out. Earth creates a coalition of several starfaring groups to fight and contain the Lucian Alliance.
■ Many of the Coalition planets suffer at the hands of the Lucian Alliance
■ IOA debates heavily on revealing the Stargate program to the public during this time. In the end, they decide not to.
■ O’Neil promoted to 4 star General, part of the Joint Chiefs-special advisor to the president. Helps lead Tau’ri efforts to fight the Lucian Alliance. He uses an activation clause to bring Landry back in to run Homeworld Security.
■ Colonel Caldwell is promoted to Brigadier General and put in charge of the growing Tau’ri fleet.
■ Battle of Chulak: Lucian Alliance masses a large fleet, including two Ori motherships, and attack Chulak. Luckily a Tau’ri (Earth) SG team intercepts communications between Lucian Alliance forces and are able to alert the Coalition in time. Despite heavy losses on both sides, victory is for the Coalition.
■ The Lucian Alliance attack Kelowna in an effort to reach Destiny
■ They are repelled by a combination of SGC, Netjerian, and Jaffa forces.
■ Kelowna Compact is created to form a more founded and established relationship between the Coalition members.
■ The Coalition begin to setup bases near key locations and shipbuilding facilities.
■ Colonel Carter is promoted to Brig General and put in charge of the Coalition fleet
■ General Caldwel is put in charge of Earth’s defense fleet.
■ McKay and others are able to develop Subspace Capacitors to generate greater stores of power, since the ability to create ZPM’s eludes modern science. Several are installed at Atlantis and help mitigate many of the power issues there.
■ A final battle between Coalition forces and the Lucian Alliance erupts at Kelowna, again. .
■ After several days of fighting, the Lucian Alliance is wiped out. Kelowna survived relatively unscathed by quick thinking of General Carter and Dr. Mckay setting up a forceshield around Kelowna powered by a very large Subspace Capacitor.
■ General Carter single handedly took out most of the Lucian Alliance with a Hyperportal opened at Kelowna’s star, to the planet’s orbit, spraying the enemy ships with stellar plasma. Destroying them.

CA. 2016-17
■ The Interstellar Alliance (ISA) is created. Charter members include: Earth, Kelowna, Netjer, Free Jaffa Nation, Hebridians, and several others.
■ General Mitchel returns from the Ida galaxy, making contact with 20 different Alien species.

CA. 2018
■ Maj General Carter is put in charge of Homeworld Security.
■ Exploring the Antarctic base, remains of the German Swabia Colony are found. Around the same time, researchers in the Atlantis Ancient database find another Eighth Chevron address. Project Hyperion is created to investigate and explore where the new address leads. Colonel Evan Lorne is assigned to lead it.

CA. 2019
■ An extraordinary discovery is found in the remains of the Swabia Colony
■ A previously locked out world in the Milky Way gate network is found
■ A strange alarm is detected at Atlantis.
■ The Stargate is still a secret, but for how much longer?