[LateNight]

The Day of Days.

On this day in 1944, Supreme Allied Commander General Dwight D. Eisenhower gives the go-ahead for the largest amphibious military operation in history: Operation Overlord, code named D-Day, the Allied invasion of northern France.


By daybreak, 18,000 British and American parachutists were already on the ground. At 6:30 a.m., American troops came ashore at Utah and Omaha beaches. At Omaha, the U.S. First Division battled high seas, mist, mines, burning vehicles—and German coastal batteries, including an elite infantry division, which spewed heavy fire. Many wounded Americans ultimately drowned in the high tide. British divisions, which landed at Gold, Juno, and Sword beaches, and Canadian troops also met with heavy German fire, but by the end of the day they were able to push inland.


Three factors were decisive in the success of the Allied invasion. First, German counterattacks were firm but sparse, enabling the Allies to create a broad bridgehead, or advanced position, from which they were able to build up enormous troop strength. Second, Allied air cover, which destroyed bridges over the Seine, forced the Germans to suffer long detours, and naval gunfire proved decisive in protecting the invasion troops. And third, division and confusion within the German ranks as to where the invasion would start and how best to defend their position helped the Allies. (Hitler, convinced another invasion was coming the next day east of the Seine River, refused to allow reserves to be pulled from that area.)