King Charles III

Kate Middleton attended the Trooping the Color parade Saturday in honor of King Charles III’s birthday. It was her first public appearance since her cancer diagnosis earlier this year.

Kate, the Princess of Wales, shared an emotional letter after missing the rehearsal.

The first U.K. banknotes featuring the portrait of King Charles III have now entered circulation.

Kate Middleton will miss the Trooping the Colour public rehearsal, but will she make a surprise balcony appearance?

Kate Middleton’s health after her big surgery is sparking curiosity because she hasn’t been seen publicly in months. The lack of information has the internet convinced Kate has “disappeared."

The 75-year-old monarch is undergoing treatment and has been advised by doctors "to postpone public-facing duties," the statement continued.

King Charles III is marking his 75th birthday Tuesday by highlighting causes close to his heart, a day that’s been typical of his first 14 months on the throne.

Queen Elizabeth II, who took the throne at the age of 25, was a respected figure whose presence helped unify Britain and its growth as a modern, multicultural nation.

President Joe Biden and King Charles III participated in a climate-focused roundtable with officials from the financial and philanthropic sectors.

The photograph shows King Charles III wearing his crown dressed in full royal regalia while holding Sovereign's Orb and Sovereign's Sceptre with Cross.

Top moments that stood out on social media included a red feather, a kiss, and, of course, the facial expressions of little Prince Louis.

King Charles III has been crowned at Westminster Abbey, the final mile of a seven-decade journey from heir to monarch.

In some reports, costs are projected to reach $125 million.

Most of the Commonwealth's 56 member nations are former colonies of the British Empire. In some countries, many view King Charles' coronation as an occasion to recall colonialism’s painful and bloody past.

The official coronation is set to take place on May 6 at Westminster Abbey. The service is scheduled to begin at 6 a.m. EDT, which will be 11 a.m. British Standard Time. The meteorological agency of the United Kingdom expects off-and-on showers with highs in the mid-60s.

UK Republicans argue that the monarchy is outdated and undemocratic, and that the country should be a republic with an elected head of state. The call for a republic has gained momentum in recent years.

The pomp, pageantry and symbolism of this weekend's much-anticipated occasion date back to the medieval times.

One of the biggest days in His Majesty King Charles III's life is quickly approaching.