General fact: 2869 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 2869 is a centered icosahedral number.
Trivia: 2869 is a boring number.
Historical date: November 8th is the day in 1745 that Charles Edward Stuart invades England with an army of ~5000 that would later participate in the Battle of Culloden.