D-Day Sacrifice: Battle For Freedom

On June 6, 1944, the Allies launch a military operation that will become one of the great turning points of World War II. Codenamed "Operation Overlord" this massive military operation spanned from D-Day to the Liberation of Paris. From the men who planned and fought in the battles, to the French civilians caught in the crossfire, eyewitness testimonies provide a moving re-telling of this pivotal historical event. (National Geographic)