Royalties of the World

On April 11, 2011, H.R.H. Princess Caroline of Hanover, Hereditary Princess of Monaco attended the Monte-Carlo Rolex Masters tennis tournament in Monaco.

On April 12, 2011, Her Majesty Queen Beatrix of the Netherlands along with T.R.H.s Crown Prince Willem-Alexander and Crown Princess Maxima of the Netherlands began a four-day state visit to Germany.

Prince Albert II of Monaco (C), his fiancee Charlene Wittstock (R) and Princess Stephanie of Monaco (L) attend the 62nd MonacoLRed Cross Ball at the Sporting Club Monte Carlo on July 30, 2010 in Monte Carlo, Monaco.

Former Romanian King Michael, left, during a ceremony before being awarded The Freedom of the City of London by the Guild of Freemen of the City of London, as a representative of the organization stands at right, in Bucharest, Romania, May 10, 2011. A lawyer for Romania's 89-year-old deposed king says the former monarch has decided to sever his family's ties to an ancient German royal dynasty that gave Romania its royal family more than a century ago.

Denmark's Queen Margrethe and Prince Consort Henrik on the speaker's balcony on Capitol Hill in Washington, Wednesday, June 8, 2011. The capital was the first stop on the royal
couple's five-day tour of the U.S.

House Minority Whip Steny Hoyer of Maryland makes brief remarks on the visit of Danish Queen Margrethe and Prince Consort Henrik on Capitol Hill in Washington, June 8, 2011.

Danish Queen Margrethe is given flowers by Zoe Welsh, 11, during a tour
of the Library of Congress on June 7, 2011, in Washington.

Denmark's Queen Margrethe

Vicki Kennedy with Danish Queen Margrethe during a visit to the Kennedy Center
on Tuesday, June 7, 2011, in Washington.

Denmark's Queen Margrethe and Prince Henrik visit Capitol Hill in Washington
on June 8, 2011.

Danish Queen Margrethe and Prince Consort Henrik arrive for the Royal Danish Ballet
performance of "A Folk Tale" at the Kennedy Center on June 7, 2011, in Washington.

Steny Hoyer, Queen Margrethe II and Vicki Kennedy
before the premiere of the Royal Danish Ballet at the
John F. Kennedy Center for the Performing Arts on June 7, 2011.

Danish Ambassador Peter Taksoe-Jensen greets Queen Margrethe II as she arrives
for a reception at the Danish Ambassador's Residence on June 6, 2011, in Washington.

Denmark's Queen Margrethe and Prince Consort Henrik on board
the USS Sequoia presidential yacht in Washington on June 7, 2011.

The Phillips Collection Director Dorothy Kosinski gives a tour of the modern
art museum to Danish Queen Margrethe, June 8, 2011, in Washington.

Belgium's Crown Prince Phillippe and Crown Princess Mathilde
visit Central Park, on June 22, 2011, in New York.

Belgium's Crown Prince Phillippe and Crown Princess Mathilde, right, scan the menu on the Wafels & Dinges food truck with Belgian Prime Minister and Minister of Foreign Affairs Steven Vanackere during a visit to Central Park, on June 22, 2011, in New York.

Belgium's Crown Prince Phillippe and Crown Princess Mathilde
visit Central Park, on June 22, 2011, in New York.

Belgian Prime Minister and Minister of Foreign Affairs Steven Vanackere, left, reaches into his wallet as Crown Prince Phillippe and Crown Princess Mathilde enjoy treats from the Wafels & Dinges food tuck during a visit to Central Park, on June 22, 2011, in New York.

Belgium's Crown Prince Phillippe and Crown Princess Mathilde enjoy treats from the
Wafels & Dinges food tuck during a visit to Central Park, on June 22, 2011, in New York.

Belgium's Crown Prince Phillippe and Crown Princess
Mathilde visit Central Park, on June 22, 2011, in New York.

Minister of Economy Jean-Claude Marcourt, of the Walloon Government, Belgian's
Princess Mathilde and Prince Philippe and Steven Vanackere, Belgian Deputy Prime
Minister and Minister of Foreign Affairs, visit Central Park, on June 22, 2011, in New York.

Belgium's Crown Princess Mathilde and Crown Pince Philippe walk through Central Park with Belgian Deputy Prime Minister and Minister of Foreign Affairs Steven Vanackere, second right, and Minister of Economy Jean-Claude Marcourt of the Walloon Government,
on June 22, 2011, in New York.

Bill Baroni, deputy executive director of the Port Authority of New York and New Jersey, shows an image of plans for the World Trade Center to Belgium's Crown Prince Philippe and Crown Princess Mathilde during the couple's visit to the site, on June 23, 2011, in New York. The royal couple, who traveled to New York on Wednesday for a two-day tour to highlight their country's cultural and economic ties with the U.S., placed a wreath sent by Philippe's parents, King Albert II and Queen Paola of Belgium, at the site.

Wedding of King Albert II and Queen Paola of Belgium (1959)