3138
- February - Oriente Protectorate's Eagle's Talon battalion raids Kwamashu to destroy a suspected Mech assembly planet. The raid triggers a massive chemical explosion that causes large portion of the planet to be poisoned and killed. The becomes known as the Kwamashu Incident. Triggering war between Oriente and
- April - Lyran & Wolf forces battle Silver Hawk Irregulars on Helm, cease the planet. Surrendered Silver Hawk Irregulars are killed by Clan & Lyran forces. Incident becomes known as the Helm Massacre.
- June 5th - Lyran Commonwealth & Clan Wolf forces land on Stewart, killing Captain-General Anson Marik and triggering the destruction of the Marik-Stewart Commonwealth.
- August - Worlds of Merton & Sackville the Duchy of Tamarind-Abbey.