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. The event triggers war between Oriente and Duchy of Andurien.
- 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.