Frontlines

As thousands of Allied troops converge on Monte Cassino in 1944, they identify a Benedictine abbey on a hillside that they believe Germans use as a vantage point.

Two divisions land at the Italian port of Anzio in one of the easiest Allied amphibious assaults of the war; they fail to exploit their advantage, giving the German defenders time to reinforce.

Revealing the factors that made Omaha Beach a nightmare for the Americans; the place where history's largest amphibious invasion nearly failed.

Shortly after D-Day, the Allied advance stalls, with the fields around Hill 112 on the outskirts of Caen becoming a graveyard for British soldiers in Normandy.

In the grip of winter, the Germans launch a blistering attack on the Allies barely defended frontline in the Ardennes.