At 6.20am, on 20th November 1917, a surprise attack by the British Army created a major break in the German lines to commence the Battle of Cambrai.
In 1998 Philippe Gorczynski from Cambrai found a Mark IV tank (female) buried beneath a field in the village of Flesquiéres, on the Cambrai battlefield. The tank was badly damaged
Try this experiment; ask any ten people you know whether they have heard of the Battle of Cambrai. Provided those concerned are not serving or past Royal Tank Regiment soldiers,