Fatto generale: 4069 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4069 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 4069 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: February 20th is the day in 1933 that the Congress of the United States proposes the Twenty-first Amendment to the United States Constitution that will end Prohibition in the United States.