Hecho matemático: 4090 is the maximum number of regions a cube can be cut into with 29 cuts.
Trivia: 4090 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: March 13th is the day in 1957 that Cuban student revolutionaries storm the presidential palace in Havana in a failed attempt on the life of President Fulgencio Batista.