- February: The AFFS raids David.
- February: The Free Worlds League conquers Harsefeld.
- February: The Free Worlds League conquers Ramen II.
- February: The Free Worlds League conquers Second Chance.
- February: The Free Worlds League conquers Vanra.
- March: The Tamar Tigers launch a successful raid on the Combine capital world of Luthien.
- April: The DCMS invades Saffel.
- April: The Lyran Commonwealth launches a destructive raid against Dieron.
- December: The Draconis Combine launches the first battle of Hesperus II with Operation Broken Blade.
- The Draconis Combine destroys the LTV Aerospace shipyards in the Inglesmond system.
- The Fifth Battle of Caph
- February: The First Capellan Chargers are destroyed on Vanra.
- February: The Twentieth Liao Lancers surrender on Second Chance.
- February: The Seventeenth Marik Militia is disbanded following combat losses on Vanra, and personnel used to rebuild the Third and Twenty-first Marik Militias.
- April: The Stellar Trek shipyards in the Dieron system are destroyed.
- May 1st, 2787: The Draconis Combine launches a massive assault along the entire Federated Suns border.
- Neutrality of ComStar outlined by Communications Protocol of 2787.