Fait général: 5745 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5745 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 5745 is an uninteresting number.
Date historique: September 23rd is the day in 1122 that Pope Calixtus II and Holy Roman Emperor Henry V agree to the Concordat of Worms to put an end to the Investiture Controversy.