Fatto generale: 1824 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1824 is an uninteresting number.
Trivia: 1824 is an unremarkable number.
Data storica: December 28th is the day in 1895 that the Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines, marking the debut of the cinema.