Ironclads of Cambrai: The First Great Tank Battle

On November 20, 1917, just as the slaughter at Passchendaele reached stalemate, the British unleashed the power of 378 tanks on the German trenches at Cambrai. By morning, the battle was won. Despite the subsequent successful counter-attack, the stage was set for 1918, when once again the Germans could not respond to the new weapon. Based on eyewitness reports and interviews with survivors.