Fait général: 1105 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1105 is the smallest number that can be written as the sum of 2 squares in 4 ways.
Culture générale: 1105 is an unremarkable number.
Date historique: January 9th is the day in 1903 that Hallam Tennyson, 2nd Baron Tennyson, son of the famous poet Alfred Tennyson, becomes the second Governor-General of Australia.