Commonwealth Day Service (2023) Join the Royal Family in Westminster Abbey on Commonwealth Day 2023 for the annual multi-faith service. This year's theme is ‘Forging a sustainable and peaceful common future’. The theme combines the active commitment of member states to support the promotion of peace, prosperity and sustainability, especially through climate action, so as to secure a better future for our young people and improve the lives of all Commonwealth citizens. Commonwealth Day 2023 marks the tenth anniversary of the signing of the Commonwealth Charter, which was signed by Her late Majesty Queen Elizabeth II on 11 March 2013. Cost: FREE In case you have any queries about this or future events, you may contact our Membership & Admin Officer, Ms. Jingxin Lan, at [email protected].