|Dark Age era|
|3081 |||3082 |||3083 |||3084 |||3085||| 3086 |||3087 |||3088 |||3089|
- July: Pirates raid Bass only to be defeated and subsequently executed by the Third Company of Raventhir's Iron Hand.
- December: Failed pirate raid launched against Sudeten reveals the existence of the Clan Jade Falcon's new Persepolis Aerospace Fighter.
- Pirate Raid on Toland, which was destroyed by elements of Clan Hell's Horses' 67th BattleMech Cluster.
- All major powers establishs or have established diplomatic relations with Republic of the Sphere.
- Republic Senate meets for the first time.
- Wusun Medium OmniFighter enters service with Clan Snow Raven.
- Poignard Light Fighter begins production in the Republic of the Sphere.
- Dragau II Class Dropship enter service with the Republic of the Sphere.
- Thunderbolt IIC Heavy BattleMech enter service with Clan Jade Falcon.
- Thunderbird Heavy Battle Armor enters service for Clan Nova Cat.
- Warg Assault Battle Armor enters service with Clan Wolf.
- Vidar Heavy Defense Tank enters service with Clan Ghost Bear.