Find all references to year 3121 - One link per entry (See Years Policy)
- Border disputes between the Federated Suns and the Capellan Confederation erupt.
- Archon Adam Steiner dies.
- Andrew Steiner succeeds his father to become Archon of the Lyran Commonwealth.
- Assault Tech Industries begins production of the Jaguar scout 'Mech.
- Earthwerks|Earthwerks Incorporated (FWL), issue a service bulletin limiting deployment of their Bardiche Heavy Strike Tank to worlds with a breathable atmosphere.
- Olivetti Weaponry begins production of the Loki Mk II.
- StarCorps Industries of Terra begins production of the DLR-O Doloire Assault OmniMech for the Republic of the Sphere.
- General Motors debuts the Fusilier battle armor.