Fait général: 15779 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 15779 is an unremarkable number.
Culture générale: 15779 is an uninteresting number.
Date historique: March 14th is the day in 1381 that Chioggia concludes an alliance with Zadar and Trogir against Venice, which becomes changed in 1412 in Šibenik.