VIDEO: Charles III's Birthday Celebrated in Great Britain

The King of Great Britain, Charles III, participated in the "Trooping the Colour" for the first time as monarch. This military ceremony marks his birthday, reports the BBC. The annual parade, dedicated to the official birthday of the British monarch, features over 1,400 soldiers, 200 horses, and 400 musicians. The King also became the first monarch to join the parade on horseback since his mother, Queen Elizabeth II, did so in 1986.

Details in the video.