Fait général: 1618 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1618 is an unremarkable number.
Culture générale: 1618 is an uninteresting number.
Date historique: June 5th is the day in 1968 that U.S. presidential candidate Robert F. Kennedy is shot at the Ambassador Hotel in Los Angeles, California by Palestinian Sirhan Sirhan.