The following significant occurrences unfolded within the year 40 ABY.
- The New Jedi Order successfully rediscovered the Great Holocron in addition to the Telos Holocron .
- Tionne Solusar provided an update to the Great Holocron, adding new historical information.
- A military strike was initiated by the Galactic Alliance as a punitive measure against Corellia .
- The Sepan Civil War was reignited.
- Lumiya , alongside her Sith Order (established 36 years prior), became active and known once more throughout the galaxy .
- Jacen Solo began his training as a Sith apprentice under Lumiya's tutelage.
- The Galactic Alliance Guard was established.
- Tenel Ka , as well as Allana , were targeted for assassination .
- Han Solo and Leia Organa Solo voiced their opposition to the Galactic Alliance.
- The Five Worlds underwent reorganization, becoming the Confederation .
- Hostilities erupted between the Galactic Alliance and Corellia, marking the beginning of a new war .
- While on a mission to Ziost , Ben Skywalker came across the Sith training ship Ship, which triggered the emergence of the Lost Tribe of Sith in 41 ABY .
- A coup took place against the Galactic Alliance Chief of State.
- Dur Gejjen was assassinated by Ben Skywalker.
- Mara Jade Skywalker , Jedi Master and wife of Luke Skywalker, was slain in a duel by her nephew, Jacen Solo.
- Luke Skywalker killed Lumiya.
- Jacen Solo declared himself Darth Caedus, the Dark Lord of the Sith .
- The Galactic Alliance Guard launched an assault on the Jedi Academy situated on Ossus .
- Cal Omas , the deposed former Chief of State of the Galactic Alliance, took his own life by impaling himself on Ben Skywalker's lightsaber .
- The New Jedi Order withdrew from the Galactic Alliance, leading to the formation of the Jedi Coalition .
- During the Battle of Kashyyyk , Darth Caedus commanded his ship , the Anakin Solo , to employ its long-range turbolaser batteries to ignite Kashyyyk .
- Nal Hutta and Nar Shaddaa both joined the Confederation.
- Alema Rar was killed by Jagged Fel on The Home .
- A substantial portion of Hutt Space allied with the Confederation.
- Centerpoint Station was activated, resulting in the destruction of the Galactic Alliance Second Fleet .
- Jedi insurgents destroyed Centerpoint Station.
- Mission to Adumar (day 122)
- Operation Roundabout (day 130)
- Attack on Toryaz Station (day 138)
- Battle of Tralus (day 145)
- Blockade of Corellia (day 160)
- Duel in the Fellowship Plaza
- Battle of Hapes
- Duel on Roqoo Depot
- Raid on the Gyndine Shipyards
- Mission for the Amulet of Kalara
- Battle of Gilatter VIII
- Battle of Bothawui
- Duel on Hesperidium
- Mission to Vulpter
- Skirmish on Kavan
- Second Battle of Balmorra
- Battle of Kuat
- Invasion of the New Jedi Temple
- Battle of Ossus
- Battle of Kashyyyk
- Battle of Commenor
- Undercity Ambush
- Battle of Centerpoint Station
- Siron Tawaler in the Kuat system (day 138)
- Toile Senn above Corellia (day 130)
- On Toryaz Station (day 138) Gilad Pellaeon's impostor Denjax Teppler's brother Aidel Saxan Siron Tawaler Harval Tommick
- On Lorrd Movac Arisster Serom Haxan Ordith Huarr
- Nelani Dinn on The Home (day 145)
- Ailyn Vel on Coruscant (day 164)
- Thrackan Sal-Solo on Corellia (day 166)
- Entora Zar on Terephon
- On Coruscant The World Brain Tresina Lobi
- During the Battle of Hapes Cakhmaim Meewalh Beta Ioli Tanogo
- Numerous members of the Bothan True Victory Party
- Aboard Shamunaar Biurk Siro
- On Ziost Faskus Olvidan Ovvit
- On Vulpter Dur Gejjen Jori Lekauf
- Mara Jade Skywalker on Kavan
- Lumiya on Terephon
- Ratobo during Second Battle of Balmorra
- Cal Omas on Coruscant
- Twizzl on the Anakin Solo
- Thann Mithric on Coruscant
- In deep space Tarla Limpan Hoclaw
- Alema Rar at The Home
- Over Centerpoint Station Lensi Turl Nevil Twool
- On Centerpoint Station Sadras Koyan Rikel
- Patra Tebut on the Anakin Solo