Fatto generale: 68639 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 68639 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 68639 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: December 4th is the day in 1971 that the United Nations Security Council calls an emergency session to consider the deteriorating situation between India and Pakistan.