Fatto matematico: 9214 is the number of ways to stack 30 pennies in contiguous rows so that each penny lies on the table or on two pennies.
Trivia: 9214 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: March 23rd is the day in 1982 that Guatemala's government, headed by Fernando Romeo Lucas García is overthrown in a military coup by right-wing General Efraín Ríos Montt.