A flag-raising ceremony will be held to mark Commonwealth Day outside a city's town hall. Peterborough City Council will join 56 independent member countries to mark the occasion. The annual event gives communities and organisations the chance to celebrate and promote the Commonwealth's principles of peace and unity.

Catherine, Princess of Wales, joined Britain’s King Charles III and other members of the royal family in celebrating Commonwealth Day on Monday, attending an event at London’s Westminster Abbey filled with performances from countries across the association.

Britain’s King Charles III leaves after attending the annual Commonwealth Day Service at Westminster Abbey in London, Monday, March 10, 2025.(AP Photo/Kin Cheung) Joan Armatrading performs during the annual Commonwealth Day Service of Celebration at Westminster Abbey,

The King and Queen, supported by other members of the Royal Family, undertook a day of engagements celebrating the best of the Commonwealth, from its music

Minister for Indo-Pacific Catherine West expressed her admiration for Malaysia and its strengths as a Commonwealth member as she joined the Royal Commonwealth Society (RCS) of Malaysia in celebrating Commonwealth Observance Day here Monday (March 11) evening.