Fait général: 7180 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 7180 is an unremarkable number.
Culture générale: 7180 is a boring number.
Date historique: August 28th is the day in 663 that Silla–Tang armies crush the Baekje restoration attempt and force Yamato Japan to withdraw from Korea in the Battle of Baekgang.