Fait mathématique: 18958 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 18958 is an uninteresting number.
Date historique: November 26th is the day in 1476 that Vlad III Dracula defeats Basarab Laiota with the help of Stephen the Great and Stephen V Bathory and becomes the ruler of Wallachia for the third time.