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D-Day

Last Updated: Tuesday May 26 2009 11:27 GMT

What was D-Day?

Soldiers at D-Day

It was an invasion, the biggest one in history. It's a key date in the story of the second world war.

The whole operation was codenamed Overlord. It happened on 6 June 1944 after five years of war with Germany.

A massive military force set out from England towards France. It was going to overthrow Nazi Germany and its leader Adolf Hitler. The Nazis had taken over nearly the whole of Europe.

The allied forces landed on the beaches of Normandy and started to break through the German army's defences. They began an attack that lasted for eleven months and took them all the way to the German capital Berlin, to the bunker that was Adolf Hitler's headquarters.