Britain‘s Catherine (back L), Princess of Wales, Britain‘s Princess Charlotte of Wales (L), Britain‘s Prince Louis of Wales (back R) and Britain‘s Prince George of Wales (R) make their way from Buckingham Palace to Horse Guards Parade for the King‘s Birthday Parade, ”Trooping the Colour”, in London on June 14, 2025. The ceremony of Trooping the Colour is believed to have first been performed during the reign of King Charles II. Since 1748, the Trooping of the Colour has marked the official birthday of the British Sovereign. Over 1500 parading soldiers and almost 300 horses take part in the event. (Photo by Ben STANSALL/AFP)