Britain marks the official birthday of King Charles III each June with the spectacular Trooping the Colour ceremony, even though the monarch was born on November 14, 1948. This year's ceremony took place on Saturday, June 13, 2026.
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The tradition of celebrating a British sovereign’s official birthday in June dates back to the reign of King George II in the 18th century. George II was also born in November, when Britain’s weather was often unsuitable for large outdoor celebrations. To ensure better conditions for military parades and public festivities, he combined his birthday celebrations with the annual Trooping the Colour ceremony held during the summer months.
The custom has continued ever since and is now observed by British monarchs regardless of their actual birth date, making Trooping the Colour one of the most important events in the royal calendar.
What is trooping the colour?
Trooping the Colour has marked the official birthday of the British King or Queen for more than 260 years and is also known as The King’s Birthday Parade. It is one of Britain’s oldest royal and military traditions and remains a major national celebration.
The event is a spectacular display of military precision and royal pageantry. More than 1,400 soldiers, around 200 horses and approximately 400 musicians typically take part in the ceremony, while thousands of spectators line The Mall outside Buckingham Palace, waving Union Jack flags and watching the procession.