Fait général: 4069 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4069 is an uninteresting number.
Culture générale: 4069 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: February 20th is the day in 1931 that the Congress of the United States approves the construction of the San Francisco – Oakland Bay Bridge by the state of California.