Mathematical fact: 7436 is the number of 6×6 alternating sign matrices.
Trivia: 7436 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: May 10th is the day in 1833 that the desecration of the grave of the viceroy of southern Vietnam Le Van Duyet by Emperor Minh Mang provokes his adopted son to start a revolt.