- SLDF retakes Dieron and New Home from Rim Worlds Republic forces.
- Lyran Commonwealth annexes much of the Rim Worlds Republic at the end of the Republic-Commonwealth war
- The original Oberon Confederation is founded by Rim Worlds Republic nationalists
- The Capellan Confederation Armed Forces recruits approximately a regiment of SLDF personnel from the remains of the 265th Mechanized Infantry Division.
- ECM devices developed by SLDF to counteract Space Defense System used for first time.