Historical Events in 455 AD
- Mar 17 Roman senator Petronius Maximus becomes Emperor
- Jun 2 King Gaiseric and the Vandals sack Rome - Rome looted for 14 days
- Jul 9 Roman military commander Avitus is proclaimed emperor of the Western Roman Empire
Famous People Who Died in 455 AD
- Mar 16 Valentinian III, Roman Emperor (425-55), assassinated at 35
- May 31 Petronius Maximus, Roman senator, Emperor of Rome (455), lynched by an angry mob trying to escape Rome at 58 or 59