Fait général: 1981 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1981 is an uninteresting number.
Culture générale: 1981 is an uninteresting number.
Date historique: June 3rd is the day in 1963 that a Northwest Airlines DC-7 crashes in the Pacific Ocean off the coast of British Columbia, killing 101.