Fait général: 18929 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 18929 is an unremarkable number.
Culture générale: 18929 is a boring number.
Date historique: October 28th is the day in 456 that the Visigoths brutally sack the Suebi's capital of Braga (Portugal), churches are burnt to the ground.