Hecho matemático: 4627 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 4627 is an unremarkable number.
Fecha histórica: August 31st is the day in 1996 that Saddam Hussein's troops seized Irbil after the Kurdish Masoud Barzani appealed for help to defeat his Kurdish rival PUK.