I got this bit of history from a site so I dunno if it's true...
-25,000:
Hyperdrive invented
Republic and Jedi order formed
-7,000?
Dark Jedi exiled
Sith discovered
First Dark Lord of the Sith rises to power
-5,000
Death of Marka Ragnos
The Great Hyperspace War
Naga Sadow exiled to Yavin IV
-4,400
Freedon Nadd rules on Onderon
-4,350?
The Beast Wars of Onderon begin
-4,000
The Beast Wars of Onderon end
-3,988
The Freedon Nadd Uprising
-3,996
Krath rebellion in the Empress Teta system
Exar Kun rules on Yavin IV
-3,995
Ulic Qel-Droma turns to the dark side
Exar Kun named Dark Lord of the Sith
-3,993
The Sith War
Extinction of the Sith
Exar Kun trapped on Yavin IV
-3,975?
Death of Ulic Qel-Droma
-2,030
The new Sith order formed by Darth Bane
-80?
Palpatine born on Naboo
-63?
Khameir Sarin born on Iridonia
-51?
Khameir Sarin becomes Darth Maul
-44?
Anakin Skywalker born on Tatooine
-35? Palpatine elected chancellor of the Republic
-25?
The Clone Wars
Anakin Skywalker marries Queen Amidala of Naboo
Rise of the Empire
-18
Anakin Skywalker becomes Darth Vader
Birth of Leia and Luke Skywalker
Great Jedi purge begins
-6?
Rebel Alliance formed
Galactic Civil War begins
0
The Battle of Yavin
+3
The Battle of Hoth
+4
The Battle of Endor
Death of Palpatine and Darth Vader
Galactic Civil War ends
+10
The resurrected Emperor leads the Empire
Luke Skywalker turns to the dark side
+11
Death of Exar Kun