The Old Sith Wars was the name given to the series of conflicts that started with the Great Sith War and lasted until the end of the Sith Civil War in 3950 BBY. The conflicts centered around a number of fallen Jedi; Exar Kun and Ulic Qel-Droma instigated the Great Sith War when they fell to the dark side of the Force; the Jedi Knights Revan and Malak led a new Sith Empire against the Galactic Republic in the Jedi Civil War after they were corrupted by the hidden Sith Emperor at the end of the Mandalorian Wars; and the exiled Jedi Master Kreia rallied the remnants of Revan's empire and led them in a genocidal campaign against the Jedi Order.
Included in this era were the Great Sith War (3996 BBY), the Mandalorian Wars (3976 BBY–3960 BBY), the Jedi Civil War (3959–3956 BBY) and the Onderon Civil War (3951 BBY). It also included the Sith Civil War (3956–3950 BBY), the Dark Wars (3955–3951 BBY), and the First Jedi Purge (3954–3951 BBY).
The almost continuous 50 years of war nearly shattered the Galactic Republic and resulted in a near-total annihilation of the Jedi Order. However, the Republic held in the end, and eliminated (at least for the time being) such threats as the Mandalorians, the Krath and the Sith. Because of the long and bloody conflicts, the galactic citizenry gained a hardened resolve, and the Republic emerged stronger than it was before.
Major figures of the time period of the Old Sith Wars included Ulic Qel-Droma, Exar Kun, Nomi Sunrider, Kreia, Mandalore the Indomitable, Mandalore the Ultimate, Darth Revan, Darth Malak, Bastila Shan and Meetra Surik.
While the major conflicts of the Old Sith Wars were over by the end of the Sith Civil War, the Kanz Disorders (3970–3670 BBY) continued for nearly three centuries after the triumph of the Republic and the defeat of the Sith.
A major technological advance of the Old Sith Wars period was the Navigation computer. It became generally available during the Restoration Period that followed the Great Sith War, and it quickly rendered the Hyperspace beacon system obsolete.
- The begins in 3996 BBY
- Restoration Period (3995 - 3966 BBY)
- Great Hunt begins (3995 BBY)
- Conclave on Exis Station (3986 BBY)
- Kanz Disorders (3970–3670 BBY)
- The Mandalorian Wars begin in 3976 BBY–:
- The Jedi Civil War begins (3959 BBY)–:
- The Sith Civil War begins (3956 BBY)
- The Dark Wars begin (3955 BBY: