From Halopedia, the Halo wiki
2512 was a year in the 2510s in the 26th century.
- Admiral Michael Stanforth is appointed the head of Section Three of the Office of Naval Intelligence.
- The M392 Designated Marksman Rifle is introduced into service.
These are events that are based around this year, and may not fall on this year specifically.
Around 40 years prior to August 25, 2552
- Around this year, a geological survey team on Sigma Octanus IV finds rocks with odd compositions. They later found out these rocks were introduced from meteor impacts roughly 60,000 years earlier and contained a Forerunner shard among them.
Around 40 years prior to September 12, 2552
- Halo Encyclopedia (2022 edition), page 454
- Halo: The Essential Visual Guide, page 191 (Superintendent)
- Halo Encyclopedia (2022 edition), page 109
- Halo Encyclopedia (2022 edition), page 455
- Halo 3: ODST, campaign level ONI Alpha Site
- Halo Waypoint - Universe, Weapons, DMR (Retrieved on Jan 20, 2021) [local archive] [external archive]
- Halo: The Fall of Reach, chapter 25
- Halo: First Strike, chapter 28