Fait général: 85851 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 85851 is an uninteresting number.
Culture générale: 85851 is a boring number.
Date historique: January 19th is the day in 1817 that an army of 5,423 soldiers, led by General José de San Martín, crosses the Andes from Argentina to liberate Chile and then Peru.