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Prince William officially took over the title of King Charles III in a major royal first.
On Friday, May 16, the reigning British monarch and the Prince of Wales attended the Order of the Bath Service at Westminster Abbey, GB News reported.
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In addition to celebrating the order’s 300th anniversary, it was King Charles’ first service as sovereign.
The momentous occasion featured Prince William, 42, taking over the title of Great Master of the Order. In 1975, King Charles, now 76, received the title from the late Queen Elizabeth II.
Additionally, the Order of the Bath Service involved the installation and oath-taking of five knights.
King Charles and Prince William were photographed during the history-making event.

Prince William, Prince of Wales, Great Master of the Order, and Britain’s King Charles III, Sovereign Head of the Most Honourable Order of the Bath, arrive for the Service for the Oath and Installation of the Great Master and the Knights Grand Cross at Westminster Abbey in London on May 16, 2025. (Photo by Stefan Rousseau / POOL / AFP via Getty Images)
Meanwhile, the he and his wife, Kate Middleton shared photos from the history-making event via Instagram.
Recently, Prince William and Middleton announced big news after their anniversary trip to the Scottish Isles.
Princess Charlotte also celebrated her 10th birthday earlier this month, and Prince Louis turned 7 in April. Prince William and Middleton also share a son, Prince George, 11, who is second in line to the throne.
Meanwhile, Prince Harry and Meghan Markle attended a Beyoncé concert in May, followed by meeting a rock legend at another show.
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