FILE - Denmark's King Frederik X, celebrating his 56th birthday, waves from the balcony of Frederik VIII's Palace, Amalienborg Castle in Copenhagen, Sunday, May 26, 2024. (Ida Marie Odgaard/Ritzau Scanpix via AP, File)

FILE - Denmark's King Frederik X presents the King's Watch during the Anniversary Parade at the Royal Life Guards at the Life Guard Barracks in Copenhagen, Thursday, June 27, 2024. (Ida Marie Odgaard/Ritzau Scanpix via AP, File)

FILE - Crown Prince Frederik of Denmark meets business leaders at a conference in The Hague, Netherlands, Monday, June 20, 2022. (AP Photo/Peter Dejong, File)