Hecho matemático: 6385 is the number of ways to stack 18 pennies in a line so that each penny lies on the table or on two pennies.
Trivia: 6385 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: June 24th is the day in 1932 that a bloodless Revolution instigated by the People's Party ends the absolute power of King Prajadhipok of Siam (now Thailand).