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Westminster past

23 December 2012 Last updated at 20:01 GMT

For this, our final programme of 2012, I've been talking to a Radio Four colleague Robert Shepherd about the history of this little part of London from where we broadcast every Sunday night.

He's written a book called 'Westminster: A Biography,' in which he explains the origins of Parliament and the battles for control of Westminster over the centuries.

Firstly, he explained how a place called Westminster had come into existence in the first place.

This interview was broadcast on Sunday 23rd December on BBC Radio 4's The Westminster Hour.