House of Commons of the United Kingdom canister of chlorobenzylidene malonitrile (tear gas). Even members have been known to disturb proceedings of the House. For instance, in 1976, Conservative MP Michael Heseltine seized and brandished the Mace of the House during a heated debate. However, perhaps the most famous disruption of the House of Commons was caused by Charles I, who entered the Commons Chamber in 1642 with an armed force to arrest five members for high treason. This action was deemed a breach of the privilege of the House, and has given rise to the tradition that the monarch does not set foot in the House
Speaker of the House of Commons (United Kingdom) were reached more through persuasion and the weight by status of the county MPs. In such a situation, the influence of the speaker should not be underestimated. Sir Thomas More was the first speaker to go on to become Lord Chancellor. Until the 17th century, members of the House of Commons often continued to view their Speaker (correctly) as an agent of the Crown. As Parliament evolved, however, the Speaker's position grew into one that involved more duties to the House than to the Crown; such was definitely the case by the time of the English Civil War. This change