Fait général: 1696 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1696 is the number of regions formed when all diagonals are drawn in a regular 16-gon.
Culture générale: 1696 is an uninteresting number.
Date historique: August 22nd is the day in 2006 that Pulkovo Aviation Enterprise Flight 612 crashes near the Russian border over eastern Ukraine, killing all 170 people on board.