PRE-HISTORY

In a distant galaxy, a race of humans called the Alterans experience a fundamental split in cultural governance. The majority push for a religious focus, while a smaller group push for a scientific one. Fearing extreme persecution, the small Alteran group choose against using technology which could brainwash their brothers and depart in a ship for a galaxy to call their own. The scientific Alterans will henceforth be known as Ancients. ("Avalon, Part 2;" "The Fourth Horseman, Part 1;" The Ark of Truth )

) The Ancient Amelius begins to develop Stargate technology. ( The Ark of Truth )

) The Ancients come upon the Local Group and make the Milky Way Galaxy their home. They seed numerous worlds with Stargates as well as human life, and settle on a planet they name "Terra." ("Avalon, Part 2")

The religious-based Alterans will eventually ascend and be known as the Ori, establishing the Origin religion and creating planets full of worshipers to feed their need for energy.



3-50 MILLION YEARS AGO



HUNDREDS OF THOUSANDS OF YEARS AGO

The Ancients dispatch the Destiny into the far reaches of the universe to discover a signal they have located buried in the fabric of space-time since the dawn of creation. ("Air, Part 2")



CA. 100,000 YEARS AGO

The Orb is created on P5C-353, where it lies dormant. ("Message in a Bottle")



CA. 30,000 YEARS AGO

A crew of Asgard depart their planet in suspended animation. At this stage in their development they are still capable of sexual reproduction. ("Revelations")



CA. 15,000 YEARS AGO

The Taldur establish the prison planet Hadante. ("Prisoners")



CA. 11,000 YEARS AGO

The Altairan (not to be confused with the Ancients) Hubbald establishes an underground complex on Altair to take the place of the planet's failing biosphere. ("Tin Man")



MORE THAN 10,000 YEARS AGO

Iratus bugs sample human blood and evolve into Wraith.

The Wraith construct ships and weapons to feed their hunger for human life essence.

The Ancients engage the Wraith in battle. Though they are superior in technology, the Wraith are superior in number. A 100-year war ensues. ("Before I Sleep")

The Ancients construct the Replicators, but eventually abandon the project and bomb Asuras. The Replicators begin to rebuild their civilization. ("Progeny")



10,000 YEARS AGO (8000 BC)



6,700 YEARS AGO (4700 BC)



5,000 YEARS AGO (3000 BC)

Ishkur's elite force of Jaffa commanders rebel against him. He orders their deaths, but they flee in search of Kheb. The traitors find a secluded planet and become the Sodan. ("Babylon")

SG-1 travels back in time and unwittingly participates in the uprising of Ancient Egypt, driving Ra from the planet. The rebels secretly bury the Stargate at Giza so that it may be found in the future. SG-1's presence in the past is hidden from history. ("Moebius, Part 2")

After a human rebellion Ra loses interest in Earth. To prevent another uprising, he removes the written word from Abydonian culture. ("Stargate" the Movie)



CA. 4,000 YEARS AGO (2000 BC)

Omaroca journeys to Earth to free humans from the Goa'uld. She is discovered by Belos and is killed. Nem begins his search for her. ("Fire and Water")



3,400 YEARS AGO (1400 BC)



CA. 3,000 YEARS AGO (1000 BC)

The Goa'uld Thanos experiments with the volatile element naquadria, nearly destroying the planet which will one day be called Langara. ("Fallout")



CA. 2,000 YEARS AGO (0 BC/AD)



CA. 450



CA. 750

The Goa'uld return to Earth, destroy Teotihuacan and depart again with many of its people. They will later be known as the Orbanians. ("Learning Curve")



CA. 1000



CA. 1100

Medrona is terraformed by an alien species. The Touchstone is installed to maintain ideal weather conditions. ("Touchstone")



CA. 1300



CA. 1500

The last of several massive Wraith cullings occur in the Pegasus Galaxy, and will be come to be known as the great holocaust. ("Rising, Part 1")

The people of M7G-677 institute a policy of suicide at the age of 25, which they believe keeps the Wraith away. ("Childhood's End")



CA. 1550



CA. 1700

The Latonans construct the Sentinel. ("The Sentinel")

Apophis defeats Shaq'ran. ("Cure")

The Goa'uld depart Tagrea. The citizens, who had endured great hardships, only now begin to record their history. ("Memento")



CA. 1797



CA. 1800



CA. 1850

The Rand Protectorate unearths their Stargate and eventually places it in a museum. ("Icon")



1864



CA. 1895



1900



1906

The D.H.D. is uncovered (without the Stargate) by Germans at a dig in Giza, and soon comes into the possession of the German government -- who are for many years unaware of its significance ("The Tomb")



1928

The Stargate previously used by Ra is unearthed in Giza, Egypt by the Langford expedition. ("Stargate" the Movie)



1929

Cameron Mitchell is sent back in time from 2008 to stop the Goa'uld System Lord Baal from changing the course of history in 10 years. (Stargate: Continuum)



1931

The Stuart Expedition fails. Numerous crates, including one carrying the canopic jars of Osiris and Isis, sink with the shipwreck. ("The Curse")



1939

Dr. Wilhelm Brücke finds the Stargate being studied by the Langfords in a Cairo warehouse, and abducts Dr. Paul Langford for an ill-fated trip to Abydos. Only Dr. Langford and his daughter survive, and are returned to Earth with their memories of the event wiped. ( Stargate Origins )

) The Stargate is ferried across the Atlantic Ocean aboard the steamship Achilles. Baal's plan to travel back in time and alter history is thwarted by Cameron Mitchell. (Stargate: Continuum)



1942

After half a century of digging, the Pangarans discover Egeria's stasis chamber. ("Cure")



1945

President Franklin Roosevelt suspects the Stargate to be a weapon and orders Dr. Langford to take advantage of the device for use against the Germans. The Stargate opens to the planet Heliopolis. Ernest Littlefield is sent to investigate and is trapped on the other side when the gate disconnects. ("The Torment of Tantalus")

After the apparent loss of life during the Langford's research, the U.S. government orders the Stargate program mothballed. The gate was locked away and the Langfords sworn to secrecy. ("1969")

After the end of the war, the Russian army discovers the Giza D.H.D. in Germany and takes it back to Russia. ("Watergate")



1950

The Orbanians begin to experiment with nanotechnology. ("Learning Curve")

Egeria begins to be used in Pangaran medical experiments. ("Cure")



1957



1965



1969

A solar flare sends SG-1 into the past. The team is taken into custody by the Air Force. George Hammond recognizes a note in his handwriting and frees the team. Before they go, he notices a scar on Samantha Carter's hand. With help from Catherine Langford and the future Hammond, SG-1 uses the Stargate and return to their time. ("1969")



1970



1973

Adam Brody is born. ("Darkness")

Moloc decrees that only male Jaffa under his domain will be allowed to live. Ishta, the record-keeper of births, begins to formulate the Hak'tyl resistance with Mala and Neith. ("Birthright")



1975



1978



1979



1980

Groups of Novans branch out into their galaxy to colonize other worlds when it is apparent that the geology of their planet is coming undone.



1982

Jack O'Neill and Charles Kawalsky serve together in a black-ops mission to recover a Russian agent in East Germany. ("The Gamekeeper")



1983



1984



1986



1987



1990

Samantha Carter serves in the Persian Gulf War. There, she logs more than 100 hours in enemy air space. ("Children of the Gods")



1991



1993



1994



CA. 1996 ("Stargate" the Movie)

NOTE: That the film's events take place two years later than its theatrical release is established by the 1-year gap prior to "Children of the Gods" and Carter's statement that "Out of Mind" takes place in the year 1999. (This assumes that roughly one season of the TV show equals one year of time.)



CA. 1997-98 (SG-1 Season One)



1998

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



CA. 1998-99 (SG-1 Season Two)



CA. 1999-00 (SG-1 Season Three)



CA. 2000-01 (SG-1 Season Four)



CA. 2001-02 (SG-1 Season Five)



CA. 2002-03 (SG-1 Season Six)



CA. 2003-04 (SG-1 Season Seven)



CA. 2004-05 (SG-1 Season Eight, Atlantis Season One)



CA. 2005-06 (SG-1 Season Nine, Atlantis Season Two)



CA. 2006-07 (SG-1 Season Ten, Atlantis Season Three)



CA. 2007-08 (Atlantis Season Four, The Ark of Truth)



CA. 2008 (Atlantis Season Five, Continuum)



CA. 2009-10 (SGU Season One)



2010

Earth celebrates the tenth anniversary of its alliance with the Aschen. Only then is it discovered that the Aschen are slowly exterminating humanity by preventing births. SG-1 regroups to send a message into the year 2000. (Defunct timeline) ("2010")



CA. 2010-11 (SGU Season Two)



CA. 2070

SG-1 enters the Stargate in 1969 a few moments too soon, which sends them far into the future. An aged Cassandra uses advanced technology to send them back to 1999. ("1969")



CA. 50000