|Star League era|
|2577 |||2578 |||2579 |||2580 |||2581||| 2582 |||2583 |||2584 |||2585|
- June 5th: the Tancredi Accord is signed on New Avalon.
- July 6th: Operation UNION HOLD, the Star League invasion of the outworlds Alliance, begins.
- November 28th: Star League General Amos Forlough orders the first mass-scale execution of Outworlds Alliance civilians to quell resistance on occupied worlds, beginning with Medron.
- Operation Mailed Fist, aka the Rim Worlds Campaign begins.
- The 3rd Fusiliers of Oriente are formed during the Reunifaction War.