Bryan McAllister’s personal reference notebook
July 27, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Kept by Bryan McAllister — short guides, clear facts, and the Canadian angle when it matters.
Civic Brief • Monarchy

Charles III

Charles III (Charles Philip Arthur George) is the King of the United Kingdom and the other Commonwealth realms.

Updated July 27, 20261 min readCited sources

Charles III is the King of the United Kingdom and other Commonwealth realms, including Canada. He acceded to the throne on 8 September 2022 and was crowned on 6 May 2023.

What it is

Charles III (Charles Philip Arthur George) is the constitutional monarch of the United Kingdom and 14 other Commonwealth realms, including Canada. He became king immediately upon the death of his mother, Queen Elizabeth II, on 8 September 2022, and his coronation took place at Westminster Abbey on 6 May 2023.

Key details

Born on 14 November 1948, Charles is the eldest child of Queen Elizabeth II and Prince Philip. He married Diana Spencer in 1981 (divorced 1996) and later Camilla Parker Bowles in 2005, who is now Queen Camilla. In February 2024, Buckingham Palace announced he had been diagnosed with a form of cancer.

Why it matters for Canada

As monarch of Canada, Charles III is the country's constitutional head of state. His reign continues the role of the Crown in Canada's parliamentary system, and his health and public engagements are relevant to Canadians as they affect official duties and representation.

In short

  • Charles III became king on 8 September 2022 after Queen Elizabeth II's death.
  • His coronation was on 6 May 2023 at Westminster Abbey.
  • He was diagnosed with cancer in February 2024, reducing some public engagements.
  • He is King of Canada and the constitutional head of state for Canadians.
Canadian angle

As monarch of Canada, Charles III is also King of Canada and the constitutional head of state for Canadians.

Quick questions

How old is King Charles III?
He was born on 14 November 1948, making him 77 years old in 2026.
Does King Charles III have cancer?
Yes. Buckingham Palace announced in February 2024 that he had been diagnosed with a form of cancer.
Who is King Charles III married to?
He is married to Queen Camilla, formerly Camilla Parker Bowles.

Sources

  1. Wikipedia — https://en.wikipedia.org/wiki/Charles_III
    Supports: Birth name, birth date, and role as king of the United Kingdom and Commonwealth realms.
  2. Encyclopaedia Britannica — https://www.britannica.com/biography/Charles-III-king-of-the-United-Kingdom
    Supports: Accession date, age, marriage history, and general biography.
  3. BBC News — https://www.bbc.com/news/uk-59135132
    Supports: Immediate accession after Queen Elizabeth II's death, coronation date, marriage to Camilla, and cancer diagnosis.
  4. ABC News — https://abcnews.com/International/king-charles-iii-britain/story?id=65292669
    Supports: Accession date, coronation date, and announcement of cancer diagnosis.
  5. Famous Birthdays — https://www.famousbirthdays.com/people/prince-charles.html
    Supports: Birth date, age, marriage to Camilla, and cancer diagnosis mention.
  6. Evening Standard — https://www.standard.co.uk/news/uk/king-charles-iii-facts-75th-birthday-b1078886.html
    Supports: Full name.