Spain’s King Juan Carlos (centre L) and Spain’s Crown Prince Felipe chat during the Davis Cup final doubles rubber between Argentina’s David Nalbandian and Eduardo Schwank and Spain’s Feliciano Lopez and Fernando Verdasco at the Olympic stadium in Seville, Spain. Reuters archive

U.S. President Bill Clinton (R) and first lady Hillary Rodham Clinton (2R) enjoy a laugh with King Juan Carlos (L) of Spain and Queen Sophia during a tour of the 14th century Bellver Castle, Palma de Mallorca, Spain. Reuters archive

Saudi Arabia’s King Abdullah walks next to Spain’s King Juan Carlos (R) after his arrival at Madrid’s Barajas airport, Spain. Reuters archive

A man burns the king of a Spanish deck of cards in central Madrid, Spain. Reuters archive

Spain’s King Juan Carlos (R) talks to Venezuela’s President Hugo Chavez at the Zarzuela Palace in Madrid, Spain. Reuters archive

Candy shop owner Jose Martinez shows an official Spanish 1 Euro coin with the face of Spanish King Juan Carlos (L) and another one altered to look like a face of cartoon character Homer Simpson in the northern Spanish town of Avile. Reuters archive

Spain’s captain Iker Casillas (C) embraces Spain’s King Juan Carlos (L) as UEFA President Michel Platini looks on after their Euro 2008 final soccer match victory over Germany at Ernst Happel Stadium in Vienna, Austria. Reuters archive

Spain’s team poses with Spain’s King Juan Carlos (C) after winning their Davis Cup final against Argentina at the Olympic Stadium in Seville, Spain. Reuters archive

(L-R): Spanish Crown Prince Felipe, Spanish Queen Sofia, Mexican First Lady Margarita Zavala, Mexican President Felipe Calderon, Spanish King Juan Carlos and Spanish Princess Letizia pose for photographers before their dinner at Madrid’s Royal Palace. Reuters archive

(L-R) Spain’s Queen Sofia, King Juan Carlos, Princess Cristina, Inaki Urdangarin, Claire Liebaert Courtin and Juan Maria Urdangarin, the mother and father of Inaki, pose for a wedding photograph. Reuters archive

Spanish Crown Prince Felipe (3rd R) and his wife Letizia Ortiz (3rd L), Princess of Asturias, pose for photographers along their parents King Juan Carlos (2nd L), Queen Sofia (2nd R), Jesus Ortiz (R) and Paloma Rocasolano at Madrid’s Royal Palace, Spain. Reuters archive

Spanish King Juan Carlos and Queen Sofia receive a painting commemorating their visit from Uruguayan President Julio Maria Sanguinetti (L) and his wife Marta Canessa (R) at the presidential residence, Montevideo, Uruguay. Reuters archive

Spanish King Juan Carlos (L) looks at his son Crown Prince Felipe as they sit in the cockpit of a Boeing 707 military plane during a visit to an air force base. Reuters archive

Members of the Spanish royal family (L-R) Princess Letizia, Crown Prince Felipe, Infanta Elena, Infanta Cristina and King Juan Carlos watch a military parade during Spain’s National Day in Madrid, Spain. Reuters archive