Diamond jubilee cinemas for 100 weeks or more. The longest reigning monarch in history, Sobhuza II of Swaziland, celebrated his diamond jubilee in 1981, dating from when he gained direct rule. Diamond jubilee A diamond jubilee is a celebration held to mark a 60th anniversary of an event related to a person (e.g. accession to the throne, wedding, etc.). The 60-year reign of Queen Victoria, which was commemorated as the Diamond Jubilee of Queen Victoria was celebrated on 22 June 1897. The Diamond Jubilee of Queen Elizabeth II was celebrated across the Commonwealth of Nations throughout 2012. George III of the United
Diamond Jubilee of Elizabeth II created specifically for the Diamond Jubilee. At Rideau Hall in Ottawa, she also, on 30 June, unveiled a commemorative stained glass window depicting herself and Queen Victoria with their respective royal cyphers and renditions of the Centre Block of the Canadian parliament during the reign of each monarch. The window, a gift from the Canadian Senate, was installed above the Senate entrance to the Centre Block and dedicated by Governor General David Johnston on 7 February 2012. A corbel within the Sovereigns' Arches of the Senate foyer was sculpted into a rendition of the Queen and unveiled on 9 December