From Halopedia, the Halo wiki
The year 97,645 BCE is a year in the distant past.
Circa 97,645 BCE
These are events that are based around this year, and may not fall on this year specifically.
Approximately 200 years before 97,445 BCE
- The Boltshot came into prominent use with the Forerunner military near the beginning of the century.
200 years before 97,445 BCE