Denmark's Queen Margrethe II (2-R), together with Denmark's King Frederik X (L), Queen Mary (2-L), and Princess Benedikte (R), waves to members of the public on the occasion of Queen Margrethe's 84th birthday at Fredensborg Castle, in Fredensborg, North Zealand, Denmark, 16 April 2024. This is the first time since the change of throne that Queen Margrethe's birthday is celebrated.