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 1981 that South Africa grants independence to the Ciskei "homeland" (not recognized by any government outside South Africa).