Failed conspiracy by a group of English Catholics led by…

Failed conspiracy by a group of English Catholics led by Robert Catesby to blow up the House of Lords during the State Opening of Parliament on 5 November 1605 and kill the Protestant King James I. After an anonymous letter warned a Catholic peer, Guy Fawkes was discovered guarding barrels of explosives beneath the building. The surviving conspirators were executed, and bonfires and fireworks still mark the anniversary each year.

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