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D-1
The day before D-Day was known as 'D-1', while the day after D-Day was 'D+1', and so on. This meant that if the date changed all other dates in the plan did not have to be corrected. The armed forces also used the term 'H-Hour' for the start time. -
When D-day happend
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 amphibious invasion in military history. The operation, given the codename OVERLORD, delivered five naval assault divisions to the beaches of Normandy, France. -
What happened after D-Day
In the days and weeks following D-Day, the Allied forces worked to establish and consolidate their positions in Normandy. They faced strong German resistance, but gradually expanded their beachhead and secured key towns and strategic points.