

CNN
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Friday marks 81 years since D-Day, the first day of the Normandy landings that laid the foundations for the Allied defeat of Nazi Germany in World War II.
The invasion – codenamed Operation Overlord – saw of tens of thousands of troops from countries including the United States, the United Kingdom and Canada landing on five stretches of the coastline of Normandy, France – codenamed Utah, Omaha, Gold, Juno and Sword beaches.
Planning for D-Day began more than a year in advance, and the Allies carried out substantial military deception to confuse the Germans as to when and where the invasion would take place.
The operation was…