Fatto generale: 1785 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1785 is a Kaprekar constant in base 2.
Trivia: 1785 is a boring number.
Data storica: November 19th is the day in 1996 that Lt. Gen. Maurice Baril of Canada arrives in Africa to lead a multi-national policing force in Zaire.