133rd Armoured Division Littorio or 133° Divisione Corazzata Littorio (Italian) was an armoured division of the Italian Army during World War II. The division was formed in 1939 from the Infantry Division Littorio (4 Infantry Division Littorio) that had taken part in the Spanish Civil War. It was a reserve unit during the invasion of France when it attacked through the Little St Bernard Pass, which was halted by the French defenders. It then took part in the Invasion of Yugoslavia, fighting at Mostar and Trebinje.