celebrating their 45th, and the Spanish King & Queen are celebrating their 50th.
Celebrations have already begun for the lesser known major royal succession anniversary, Queen Margrethe II is celebrating 40 years as Queen of Denmark as of 14 January (1972). In addition to her succuession, the Queen of Denmark is also celebrating 45 years as a married woman in June.
Principality of Lichtenstein
Prince Hans-Adam II & Princess Marie are celebrating 45 years as a married couple in July 2012.
King Mohammed VI & Princess Lalla Salma are celebrating their 10th anniversary in March. In the past decade the Royal Dou have two children: Crown Prince Moulay Hassan (born 8 May 2003) and Princess Lalla Khadija (born 28 February 2007).
While their daughter's marriages seem to be on the rocks (Infanta Elena has been divorced since 2009 and Infanta Cristina's husband has recently been banned from royal events due to his involvement with a scandal), the King & Queen of Spain have managed to keep it together for 50 years come Mid-May (14 May).