The following occurrences unfold during the year 3963 BBY.
- Across the galaxy, the Mandalorian Wars erupt as the Mandalorian Neo-Crusaders launch an invasion of the Galactic Republic through three distinct corridors, an offensive known as "the Onslaught." [1]
- A faction of Jedi, spearheaded by the young Jedi Knights Revan and Alek Squinquargesimus, openly disobeys the directives of the Jedi Council and chooses to participate in the Republic's war efforts against the Mandalorians. [2]
- Vindication: Haazen manipulates the Jedi Covenant into opposing the Jedi Order. [5]
- Mandalorian Wars Taris Siege [1] First Battle of Onderon [1] Battle of Wayland [1] Battle of Ithor [1] Battle of Ord Mantell [1] Attacks on the Zabrak colonies [1] First battle of Iridonia [1] Second battle of Iridonia [1] Capture of Jebble [1] Battle of Serroco [1] Battle of Nouane [1] Battle of Dagary Minor [1] First Battle of Omonoth [1] Battle of Myrkr [11] Second Battle of Omonoth [11] Battle of Jebble [1]
- Jimas Veltraa aboard the Reliance [12]
- Aboard the Arkanian Legacy: Arkoh Adasca [4] Suprin [13] Eejee Vamm [13]
- On Taris: Raana Tey [14] Noana Sowrs [15]
- On Jebble: Pulsipher [16] Thousands of rakghouls [17]
- Feln on Odryn [18]
- On Coruscant: Xamar [5] Q'Anilia [19] Krynda Draay [19] Haazen [20]
- On Jervo's World: Jervo Thalien [21]
- On Volgax: Ralthar Sitan
- On Osadia: Bar'injar
- Chantique
- Demagol