Ruby jubilee 40th anniversary From Wikipedia, the free encyclopedia A ruby jubilee marks a 40th anniversary. Ruby jubilees in recent history More information Monarch, Year of Ruby Jubilee ... Monarch Year of Ruby Jubilee Günther Friedrich Karl II, Prince of Schwarzburg-Sondershausen 1875 Emperor Pedro II of Brazil 1881 Frederick Francis II, Grand Duke of Mecklenburg-Schwerin 1882 Ernest II, Duke of Saxe-Coburg and Gotha 1884 George Tupou I of Tonga 1885 George Victor, Prince of Waldeck and Pyrmont 1885 Franz Joseph I Emperor of Austria & King of Hungary 1888 Peter II, Grand Duke of Oldenburg 1893 Charles Alexander, Grand Duke of Saxe-Weimar-Eisenach 1893 Ernst I, Duke of Saxe-Altenburg 1893 Johann II of Liechtenstein 1898 Frederick I, Grand Duke of Baden 1898 Heinrich XXII, Prince Reuss of Greiz 1899 Frederick William, Grand Duke of Mecklenburg-Strelitz 1900 King Norodom of Cambodia 1901 Emperor Gojong of Korea 21 Jan 1904 King Carol I of Romania 10 May 1906 George II, Duke of Saxe-Meiningen 1906 King Chulalongkorn (Rama V) of Siam 1908 Emperor Meiji of Japan 1908 King Alfonso XIII of Spain 1926[1] Sobhuza II of Swaziland 1939 King Gustaf V of Sweden 1947 Sālote Tupou III of Tonga 1958 Emperor Showa of Japan Dec 1966 Franz Joseph II of Liechtenstein 1978 King Bhumibol Adulyadej (Rama IX) of Thailand 1986[2] Prince Rainier III of Monaco 1989 Queen Elizabeth II of the United Kingdom and the other Commonwealth Realms 6 February 1992[3] King Hussein of Jordan 11 August 1992 Tāufaʻāhau Tupou IV of Tonga 16 December 2005 Sultan Hassanal Bolkiah of Brunei 5 October 2007 Sultan Qaboos bin Said of Oman 23 July 2010 Queen Margrethe II of Denmark 14 January 2012[4][5] King Carl XVI Gustaf of Sweden 15 September 2013[6] Close See also Hierarchy of precious substances List of longest-reigning monarchs List of current reigning monarchs by length of reign Wedding anniversary References [1]"Spain Medal Homage Royal Family Crown 1925 Spanish Decoration - Dracomedals Medals-Orders Medals Orders Decorations". www.medals-orders.com. Archived from the original on 2016-10-30. [2]พระเจ้าอยู่หัวในพระบรมโกศ กษัตริย์พระองค์เดียวในโลกที่ได้รับการเฉลิมฉลอง [Platinum Jubilee]. [3]"Queen marks Ruby Jubilee". Times Daily. Vol. 124, no. 154. June 3, 1993. p. 1. [4]Queen Margrethe celebrates 40 years on Danish throne [5]"Queen Margrethe II of Denmark marks 40 years on the throne". BBC News. Denmark. 12 January 2012. [6]"The King: 40 years as Sweden's Head of State - Sveriges Kungahus". Related Articles