Prince Juan Carlos of Spain (C-right) (Juan Carlos Alfonso Víctor María de Borbón y Borbón) and his wife princess Sofia of Greece (C), pictured 14 May 1962 in Athens during their wedding. Juan Carlos' grandfather Alfonso XIII was King of Spain until deposed in 1931 by the Second Spanish Republic. The Republic was ended by the Spanish Civil War and followed by the dictatorship of Francisco Franco, who ruled until his death 20 November 1975. Juan Carlos was designated King of Spain 22 November 1975. Queen Sofía was born in Athens 02 November 1938. She was the first daughter of King Paul I of Greece. Her family was forced to flee Greece during World War II. Prince Constantine of Greece is on the left, first row.         (Photo credit should read /AFP/Getty Images)