Fait général: 4188 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4188 is a value of n for which s(n-1) = s(n+1).
Culture générale: 4188 is an unremarkable number.
Date historique: June 19th is the day in 1990 that the current international law defending indigenous peoples, Indigenous and Tribal Peoples Convention, 1989, is ratified for the first time by Norway.