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Anniversary of Winston Churchill's 'The Few' speech

20 August 2010 Last updated at 06:29 BST

Seventy years ago, Winston Churchill made one of his most stirring speeches.

In his address, given in Parliament, he praised the Battle of Britain aircrews who had fought off the threat of Nazi invasion during the summer of 1940. It become known as "The Few".

To mark the anniversary, the speech will be replayed outside Churchill's war-time bunker in Whitehall, at 1552 BST - precisely 70 years since Churchill stood up to give the address in Parliament.

It will be followed shortly afterwards by a Spitfire and Hurricane fly-past over Whitehall. You can watch those events on the BBC News website.