Revolutionizing warfare through radio technology, swift panzer divisions and aerial bombardment, Germany pushes Allied forces to the sea at Dunkirk.

Bombs hit Britain, but invasion does not, as sophisticated defense systems help the RAF deliver a critical defeat to the once-invincible Luftwaffe.

Among the greatest gambles in military history, Japan's audacious attack on Pearl Harbor cripples the Pacific fleet and brings the U.S. into the war.

In the war’s most decisive sea battle, a codebreaker's hunch and several fortuitous twists result in the U.S. routing the Japanese navy at Midway.

Hitler’s blitzkrieg of the Soviet Union stalls at Stalingrad, where one of the war's bloodiest battles marks the beginning of the end for the Nazis.

Under cover of an elaborate deception, the largest seaborne invasion force in history crosses the English Channel to gain a foothold in Normandy.

Hitler's bid to turn the tide with a doomed offensive in the Ardennes inflicts massive casualties on both sides and depletes Germany's last reserves.

Pushing for a German surrender, Allied forces firebomb the city of Dresden, killing thousands of civilians and unleashing a storm of controversy.

U.S. troops in Germany discover the Buchenwald concentration camp, and the Allies begin to reckon with the unspeakable reality of the Holocaust.

To avoid a protracted ground war, the U.S. uses atomic bombs against Japan, causing unprecedented devastation -- and changing the course of history.