Hecho general: 1859 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 1859 is a boring number.
Trivia: 1859 is an uninteresting number.
Fecha histórica: February 1st is the day in 1814 that Mayon Volcano in the Philippines erupts, killing around 1,200 people, the most devastating eruption of the volcano.