Hecho matemático: 1279 is the exponent of a Mersenne prime.
Trivia: 1279 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: July 2nd is the day in 1853 that the Russian Army crossed the Pruth river into the Danubian Principalities, Moldavia and Wallachia—providing the spark that set off the Crimean War.