Fait général: 1751 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1751 is the 6^{th} central pentanomial coefficient.
Culture générale: 1751 is an unremarkable number.
Date historique: October 16th is the day in 1968 that United States athletes Tommie Smith and John Carlos are kicked off the US team for participating in the 1968 Olympics Black Power salute.