A tank breaking through the wire at Cambrai France World War I cc The British were the first to use tanks or Landships as they were originally described in the First World War They were first deployed in September during the Somme campaign The first really successful use of tanks occurred in the early stages of the Battle of Cambrai in when they broke through the German defences on the Hindenburg Line Unfortunately the potentially decisive breakthrough was not exploited From a box set of stereoscopic cards titled The Great War