The Soviet victory over the Germans during the World War Two battle of Kursk. The largest land campaign in history, it claimed tens of thousands of casualties from the two million men who fought.
The operation became one of World War Two's most bloody and decisive engagements, claiming more than 2,000 casualties in heavy artillery fire.
Hitler prepares a strike force in an attempt to split the Allies.
How Hitler summoned every able-bodied man between 16 and 60 to form a new home guard in 1944, and launched a surprise attack on the Allies in the Ardennes region of Belgium.