Titus Flavius Vespasianus, commonly known as Vespasian (November 17, 9 - June 23, 79), was a Roman Emperor who reigned from 69 A.D. until his death in 79 A.D. Vespasian was the founder of the short-lived Flavian dynasty, which ruled the Roman Empire between 69 A.D. and 96 A.D. He was succeeded by his sons Titus (79-81) and Domitian (81-96).