Queen Fabiola elicits a chuckle from the crowd during a public appearance as she mocks the sender of anonymous letters threatening to shoot her with a crossbow with a reference to folk hero William Tell. National day 2009.
Source: Hello Magazine
A national celebration - Charlene Wittstock, now Princess Charlene and Prince Albert of Monaco, receiving the cheers of the crowds on Monaco's National Day on November 19, 2010.
Little Princess Ingrid Alexandra and Crown Princess Mette-Marit of Norway celebrating the Norwegian National day in front of Skaugum.
King Mohammed VI, right, flanked by his brother Prince Moulay Rachid, reviews officers of the Moroccan army who graduated this year from various Moroccan military and civilian schools and institutes during a ceremony to mark the twelfth anniversary of his rule, at the king's palace in Tetouan, some 70 kilometers (43 miles) southeast of Tangiers Sunday, July 31, 2011.
Sweden's National Day - Crown Princess Victoria and Prince Daniel during the traditional celebrations on Sweden's National Day on June 6, 2011.
F. The Netherlands
Franeker, April 30, 2008: Princess Máxima and Prince of Orange skating together during the Koninginnedag
Source: Het Koninklijk Huis
Members of the royal family join HM Queen Elizabeth II to celebrates her official birthday by taking part in the Trooping the Colour parade on June 11, 2011 in London, England
King Abdullah's 49th birthday
The Shah of Iran, the late Mohammed Reza pahlavi, and the Shahbanou, Farah Diba Pahlavi, celebrate the Nowrouz (Persian New Year) at the Niavaran Palace.
Source: Iranian Imperial Archives