Hecho general: 1841 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 1841 is an unremarkable number.
Trivia: 1841 is a boring number.
Fecha histórica: January 14th is the day in 2000 that a United Nations tribunal sentences five Bosnian Croats to up to 25 years for the 1993 killing of over 100 Muslims in a Bosnian village.