2158 (MMCLVIII) was a common year starting on Sunday of the Gregorian calendar (dominical letter A), the 2158th year of the Common Era (CE) and Anno Domini (AD) designations, the 158th year of the 3rd millennium, the 58th year of the 22nd century, and the 9th year of the 2150s decade.
Events
- Armat Battlefield Systems released the M37A3 Pump Shotgun.
Appearances
- Aliens: Fireteam Elite (mentioned only)