The Scene Of The World's Greatest Battle - Hontdidier To Lassigny -- It is from Montdidier to Lassigny that for many days now the Huns have fought in vain to break through to Amiens and so separate the British and French Armies. Signal Defeat at the hands of the Allies has resulted to the Kaisers crack Troops. This is the scene of the Battle that is famous now and will remain so throughout the future ages. This is the Town of Montdidier. August 4, 1918. (Photo by Newspaper Illustrations Ltd.).