USA HISTORY

Detailed explanation-1: -Eventually the Allies committed 39 divisions to the Battle of Normandy: 22 American, 12 British, three Canadian, one Polish, and one French, totalling over a million troops.

Detailed explanation-2: -The majority of troops who landed on the D-Day beaches were from the United Kingdom, Canada and the US. However, troops from many other countries participated in D-Day and the Battle of Normandy: Australia, Belgium, Czechoslovakia, Denmark, France, Greece, the Netherlands, New Zealand, Norway and Poland.

Detailed explanation-3: -1. When did D-Day take place and which three Allied countries contributed the most troops for the landings? On June 6, 1944, D-Day, a massive Canadian, British and American force crossed the English Channel to engage in Operation Overlord.

Detailed explanation-4: -The D-Day operation of June 6, 1944, brought together the land, air, and sea forces of the allied armies in what became known as the largest invasion force in human history. The operation, given the codename OVERLORD, delivered five naval assault divisions to the beaches of Normandy, France.

Detailed explanation-5: -After much deliberation, it was decided that the landings would take place on the long, sloping beaches of Normandy. There, the Allies would have the element of surprise. The German high command expected the attack to come in the Pas de Calais region, north of the river Seine where the English Channel is narrowest.