Hecho matemático: 15901 is an unremarkable number.
Trivia: 15901 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: July 14th is the day in 1916 that Start of the Battle of Delville Wood as an action within the Battle of the Somme, which was to last until 3 September 1916.