Many dramatic moments have been recorded during the last 20 years when the Commons has been televised - resignations, farewells, MPs misbehaving and even a stunt when coloured powder was thrown from the public gallery.
BBC Parliament marks the 20th anniversary of the televising of the House of Commons, with a special programme "MPTV: 20 Years of Commons on Camera" on BBC Parliament, Saturday 21 November at 2100 GMT.
One-Minute World News 
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