

Units from across Great Britain and the Empire: from Yorkshire and Scotland, to Newfoundland and India took part and the Chinese Labour Corps played a vital supporting role to the Tank Corps, maintaining their machines.Church bells were rung in Britain in celebration. It was an advance of some five miles, an achievement not seen since the early stages of the war. The German front line was quickly overrun and the British tanks continued on, punching deep into the German defences.Zero hour was set for 6.20am on 20 November 1917.

In great secrecy, and under the cover of darkness, around 476 tanks, 1,000 guns, eight infantry and five cavalry divisions were massed at Cambrai.In August 1917, the commander of the newly-formed Tank Corps, Brigadier General Hugh Elles, proposed an operation to prove the ability of his tanks.

