see more

US President Ronald Reagan (1911 - 2004) and his wife Nancy attend a gala dinner at the royal palace in Madrid, in the company of King Juan Carlos and Queen Sofia of Spain, and their two daughters Princess Cristina (left) and Princess Elena (right), May 1985. (Photo by Keystone/Hulton Archive/Getty Images)

US President Ronald Reagan (1911 - 2004) and his wife Nancy attend a gala dinner at the royal palace in Madrid, in the company of King Juan Carlos and Queen Sofia of Spain, and their two daughters Princess Cristina (left) and Princess Elena (right), May 1985. (Photo by Keystone/Hulton Archive/Getty Images)