Fatto generale: 750 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 750 is the Stirling number of the second kind S(10,8).
Trivia: 750 is an unremarkable number.
Data storica: January 19th is the day in 1946 that General Douglas MacArthur establishes the International Military Tribunal for the Far East in Tokyo to try Japanese war criminals.