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 Stakes 19th century. The present system of race grading was introduced in 1971, and the Cork and Orrery Stakes was initially classed at Group 3 level. It was promoted to Group 2 status in 1998. The race was renamed to commemorate the Golden Jubilee of Queen Elizabeth II in 2002. From this point it held Group 1 status. In 2012 the race was given its current name, Diamond Jubilee Stakes, to commemorate the Diamond Jubilee of Queen Elizabeth II The Diamond Jubilee Stakes became part of a new international race series, the Global Sprint Challenge, in 2005. In 2013 it was