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King Juan Carlos of Spain looks at his children Prince Felipe, Princess Cristina and Princess Elena as Queen Sofia wave to the crowds on November 27, 1975 during the religious ceremony of his enthronement at the Jeronimo church in Madrid. Juan Carlos became King on 22 November 1975, two days after Franco's death, the first reigning monarch since 1931. Behind King Juan Carlos can be seen young . AFP PHOTO (Photo credit should read STRINGER/AFP/Getty Images)

King Juan Carlos of Spain looks at his children Prince Felipe, Princess Cristina and Princess Elena as Queen Sofia wave to the crowds on November 27, 1975 during the religious ceremony of his enthronement at the Jeronimo church in Madrid. Juan Carlos became King on 22 November 1975, two days after Franco's death, the first reigning monarch since 1931. Behind King Juan Carlos can be seen young .  AFP PHOTO        (Photo credit should read STRINGER/AFP/Getty Images)