D-Day - June 6, 1944 - was a pivotal day in human history. This was the great turning point of the Second World War, when the largest armada ever assembled took a third of a million Allied men across the English Channel.The invasion force of 150,000 troops from Britain, the United States, Canada and many other nations fighting on the Allied side on D-Day under the command of Generals Eisenhower and Montgomery landed on five beaches to spearhead Operation Overlord, the invasion of German-oc...