Find all references to year 3143 - One link per entry (See Years Policy)
- January: Clan Nova Cat is destroyed by the Draconis Combine.
- February: Dieron Regulars defeated on Piedmont and Chichibu. Draconis Combine Civil War ends.
- 10 September: The 43rd Benjamin Regulars seize the Port Moseby system.
- December: Draconis Reach captured by Draconis Combine.
- The 20th Arcturan Guards attack Clan Wolf's Beta Galaxy on Tharkad.
- March: Analysis conducted by the Republic of the Sphere's Secret Intelligence Service finds that the charitable activities of the XII Triarii Protectors generate increased loyalty to the Republic on their garrison worlds.
- Trillian Steiner becomes Archon of the Lyran Commonwealth.
- February: Katana Tormark surrenders to Combine forces and is taken to Luthien.
- 17 February: Verena Wolf dies.
- 13 May: Katie Ferraro finds a lost Kit Fox in the jungles of Jerangle and takes it as her own.
- 31 August: Katherine Steiner-Davion dies on Gienah.
- Emi Kurita takes her own life and her child's life (Daisuke Kurita) with poison.
- Melissa Steiner is killed by Clan Wolf Elementals.
- Ryoken III-XP begins development by Clan Wolf in secret.
- Goliath C begins production on Stewart by Clan Wolf.