The operation which was taken place during world war 2 considered to be the D-Day invasion was code-named Operation Overlord.
What was the invasion of D-Day?
The D-Day invasion, also known as the Normandy landings, was a Second World War landing operation carried out by Allied troops as part of Operation Overlord.
On June 6, 1944, the landings proceeded, marking the start of the liberation of German-occupied Western Europe from Nazi authority.
So . the code name for the d-day invasion was Overlord.
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