Fait général: 1279 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1279 is the exponent of a Mersenne prime.
Culture générale: 1279 is an unremarkable number.
Date historique: July 2nd is the day in 2010 that the South Kivu tank truck explosion in the Democratic Republic of the Congo kills at least 230 people.