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COPENHAGEN, DENMARK - JANUARY 14: Danish King Frederik X stands with Queen Mary and their children, Crown Prince Christian, Princess Isabella, Prince Vincent and Princess Josephine, on the balcony of Christiansborg Palace following his proclamation on January 14, 2024 in Copenhagen, Denmark. King Frederik X is succeeding Queen Margrethe II, who has stepped down after reigning for 51 years. (Photo by Sean Gallup/Getty Images)

COPENHAGEN, DENMARK - JANUARY 14: Danish King Frederik X stands with Queen Mary and their children, Crown Prince Christian, Princess Isabella, Prince Vincent and Princess Josephine, on the balcony of Christiansborg Palace following his proclamation on January 14, 2024 in Copenhagen, Denmark. King Frederik X is succeeding Queen Margrethe II, who has stepped down after reigning for 51 years. (Photo by Sean Gallup/Getty Images)