- Third Hidden War concludes.
- High Council of the Star League introduces amendments to reduce the limits of the Council Edict of 2650.
- Great Houses begin rapidly expanding their respective military forces.
- The Federated Suns reactivates the Twenty-second Avalon Hussars.
- The Outworlds Alliance launches the new flagship of their WarShip fleet, the Pinto-class corvette OAS Pulsar.
- September 9th: Conrad Toyama born on Styx.