This traces back to the Vandal sacking of Rome in 455 A.D. which went on for two weeks.<ref>Encyclopedia of Military History, Dupuy & Dupuy, 1979, Pg. 176</ref> | This traces back to the Vandal sacking of Rome in 455 A.D. which went on for two weeks.<ref>Encyclopedia of Military History, Dupuy & Dupuy, 1979, Pg. 176</ref> |