500s | dp2=510s | dp1=520s | d=530s | dn1=540s | dn2=550s | dn3=560s }} Events By Place Byzantine Empire June 21 - Belisarius sails from Constantinople to attack the Vandals in North Africa. September 13 — Battle of Ad Decimum: Belisarius defeats the Vandals under Gelimer. Gelimer, forced to flee, leaves Carthage unprotected. December 15 — The Battle of Tricamarum begins, and Belisarius defeats a new Vandal force under Gelimer and Tzazo. Tzazo's killed in an all-cavalry fight, and… (More on 533)