Article · Wikipedia archive · Last revised Jun 5, 2026

Ruby jubilee

A ruby jubilee marks a 40th anniversary.

Last revised
Jun 5, 2026
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A ruby jubilee marks a 40th anniversary.

Ruby jubilees in recent history

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 19261
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 19862
Prince Rainier III of Monaco 1989
Queen Elizabeth II of the United Kingdom and the other Commonwealth Realms 6 February 19923
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 201245
King Carl XVI Gustaf of Sweden 15 September 20136
See also

See also

References

References