Fait mathématique: 27975 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 27975 is a boring number.
Date historique: August 3rd is the day in 1997 that Oued El-Had and Mezouara massacre in Algeria; a total of 116 villagers killed, 40 in Oued El-Had and 76 in Mezouara.