Fait général: 49903 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 49903 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 49903 is an unremarkable number.
Date historique: August 17th is the day in 986 that a Byzantine army is destroyed in the pass of Trajan's Gate by the Bulgarians under the Comitopuli Samuel and Aron.