Commonwealth Day is the annual celebration of the Commonwealth of Nations held on the second Monday in March. It is marked by a multi-faith service in Westminster Abbey, normally attended by Queen Elizabeth II as Head of the Commonwealth along with the Commonwealth Secretary-General and Commonwealth High Commissioners in London. 

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To celebrate Commonwealth Day 2018 on 12 March, the Royal Commonwealth Society of Singapore and the British High Commissioner hosted a reception at Eden Hall with Guest of Honour Sim Ann, Senior Minister of State, Ministry of Trade and Industry and Ministry of Culture, Community and Youth.

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The theme for this year's Commonwealth Day was "Towards a Common Future".  As part of the celebration, guests joined people around the commonwealth in joining hands as a symbol of peace.