General fact: 21266 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 21266 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 21266 is an unremarkable number.
Historical date: March 22nd is the day in 1765 that the British Parliament passes the Stamp Act that introduces a tax to be levied directly on its American colonies.