Hecho matemático: 609 is a strobogrammatic number.
Trivia: 609 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: August 31st is the day in 1999 that a LAPA Boeing 737-200 crashes during takeoff from Jorge Newbury Airport in Buenos Aires, killing 65, including two on the ground.