Left, Historical luxury ships — Liebig collectors' card, 1935. Right - Nemi ships built by Caligula, 1st century AD. Culture Club/Bridgeman via Getty Images, DE AGOSTINI PICTURE LIBRARY / Getty images For decades, many believed the Nazis were responsible for the destruction of Caligula's Nemi ships. The massive first-century boats were used for the debauched Roman emperor's love for partying. A new book reveals US artillery was accountable for the burning of the ships, The Times reports The history behind the destruction of two boats known as the Nemi ships that belonged to the notorious Roman Emperor Caligula has been...