Fait général: 1855 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1855 is the number of permutations of 7 items that fix 1 element.
Culture générale: 1855 is an unremarkable number.
Date historique: January 28th is the day in 1624 that Sir Thomas Warner founds the first British colony in the Caribbean, on the island of Saint Kitts.