Mathematical fact: 17624 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 17624 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: April 1st is the day in 325 that Crown Prince Jin Chengdi, age 4, succeeds his father Jin Mingdi as emperor of the Eastern Jin Dynasty.