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3,957 BBY
	<img alt="RevanVSBastila" src="data:image/gif;base64,R0lGODlhAQABAIABAAAAAP///yH5BAEAAAEALAAAAAABAAEAQAICTAEAOw%3D%3D" width="250" height="166" data-image-name="RevanVSBastila.jpg" data-image-key="RevanVSBastila.jpg" data-src="http://images1.wikia.nocookie.net/__cb20080326013512/starwars/images/thumb/4/40/RevanVSBastila.jpg/250px-RevanVSBastila.jpg" class="lzy lzyPlcHld" onload="if(typeof ImgLzy=="object"){ImgLzy.load(this)}" /><noscript><img alt="RevanVSBastila" src="http://images1.wikia.nocookie.net/__cb20080326013512/starwars/images/thumb/4/40/RevanVSBastila.jpg/250px-RevanVSBastila.jpg" width="250" height="166" data-image-name="RevanVSBastila.jpg" data-image-key="RevanVSBastila.jpg" />
Galactic era(s)	Old Sith Wars
Approximate dates in other dating systems
	Year 304 before the Treaty of Coruscant (BTC)
	Year 2957 before the Ruusan Reformation
	Year 3922 before the Great ReSynchronization (BrS)
Facts and statistics
Conflicts	Jedi Civil War
Emperor	Darth Revan ; Darth Malak ;
Important events	Darth Malak unsuccessfully kills his master Revan and becomes the new Sith Lord. ; Revan and Bastila Shan's Force bond is created after Malak betrays Revan, destroying his ship and knocking him into a coma. ; Revan's memory is erased by the Jedi Council and is taken into custody of the Republic Navy to find the Star Forge. ;
Era(s)	Old Republic era

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The following events took place in 3,957 BBY.

EventsEdit

Revan is betrayed by his apprentice Darth Malak. Bastila Shan brings a mentally destroyed Revan back to the Jedi, who use the Force to strip his memories and create a new identity for him.^[4]
Malak usurps the title of Dark Lord of the Sith.^[4]

Star Wars: Knights of the Old Republic (First appearance) (Appears in flashback(s))

↑ The New Essential Chronology states that the Great Hyperspace War began in 5,000 BBY, which is 1,347 BTC in Star Wars: The Old Republic's Galactic Timeline, so the difference between the calendar based on the Battle of Yavin and the calendar based on the Treaty of Coruscant is 3,653 years. This date is derived using simple math based upon other confirmed dates.
↑ The New Essential Chronology states that the Ruusan Reformation occurred in 1,000 BBY, which is the zero point of the calendar based on the Ruusan Reformation, so the difference between the calendar based on the Battle of Yavin and the Ruusan Reformation's year-notation system is 1,000 years. This date is derived using simple math based upon other confirmed dates.
↑ The Essential Atlas states that the Battle of Yavin occurred in year 35, which is the zero point of the BBY/ABY year-notation system, so the difference between the calendar based on the Battle of Yavin and the Great ReSynchronization's year-notation system is thirty-five years. This date is derived from simple math based upon other confirmed dates.
↑ ^4.0 ^4.1 ^4.2 Star Wars: Knights of the Old Republic
↑ Knights of the Old Republic Campaign Guide
↑ Knights of the Old Republic: Opportunities

Old Sith Wars (4,015 BBY – 3,950 BBY)


Galactic timeline
Previous: Post-Manderon period	Next: Post–Old Sith Wars period
Years of the Old Sith Wars
4,015 BBY · 4,014 BBY · 4,013 BBY · 4,012 BBY · 4,010 BBY · 4,009 BBY · 4,008 BBY 4,007 BBY · 4,003 BBY · 4,002 BBY · 4,000 BBY · 3,999 BBY · 3,998 BBY · 3,997 BBY 3,996 BBY · 3,995 BBY · 3,994 BBY · 3,993 BBY · 3,990 BBY · 3,988 BBY · 3,986 BBY 3,985 BBY · 3,984 BBY · 3,982 BBY · 3,980 BBY · 3,977 BBY · 3,976 BBY · 3,974 BBY 3,973 BBY · 3,970 BBY · 3,968 BBY · 3,966 BBY · 3,965 BBY · 3,964 BBY · 3,963 BBY 3,962 BBY · 3,961 BBY · 3,960 BBY · 3,959 BBY · 3,958 BBY · 3,957 BBY · 3,956 BBY 3,955 BBY · 3,954 BBY · 3,952 BBY · 3,951 BBY · 3,950 BBY

3,957 BBY

Galactic era(s)	Old Sith Wars
Approximate dates in other dating systems
Year 304^[1] before the Treaty of Coruscant (BTC)
Year 2957^[2] before the Ruusan Reformation
Year 3922^[3] before the Great ReSynchronization (BrS)
Facts and statistics
Conflicts	Jedi Civil War
Emperor	Darth Revan Darth Malak
Important events	Darth Malak unsuccessfully kills his master Revan and becomes the new Sith Lord. Revan and Bastila Shan's Force bond is created after Malak betrays Revan, destroying his ship and knocking him into a coma. Revan's memory is erased by the Jedi Council and is taken into custody of the Republic Navy to find the Star Forge.
Era(s)	Old Republic era