Fait général: 1826 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1826 is a boring number.
Culture générale: 1826 is an uninteresting number.
Date historique: December 30th is the day in 1816 that the Treaty of St. Louis (1816) between the United States and the united Ottawa, Ojibwa, and Potawatomi Indian tribes is proclaimed.