Hecho general: 1279 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 1279 is the exponent of a Mersenne prime.
Trivia: 1279 is a boring number.
Fecha histórica: 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.