Ceremonial maces in the United Kingdom carried by the Yeoman Usher of the Black Rod and placed behind the Lord Speaker on the Woolsack before the House sits. All members are required to bow their heads to the mace upon entering the chamber. It is absent when the monarch delivers his or her speech from the throne at State Openings of Parliament. The other mace accompanies the Lord Chancellor on official duties outside the House of Lords. Mace A was made in the reign of Charles II , is long and weighs . Mace B was made in the reign of William III and Mary II
History of reform of the House of Lords and is hereby wholly abolished and taken away; and that the Lords shall not from henceforth meet or sit in the said House called the Lords' House, or in any other house or place whatsoever ... The Lords Temporal resumed meeting as the House of Lords, in the Convention Parliament which restored the monarchy. The Clergy Act 1661 permitted the prelates of the Church of England to resume sitting as members of the House of Lords. Under the Treaty of Union and subsequent legislation, the Kingdoms of England and Scotland were merged into the United Kingdom of Great Britain. From