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. The Queen delivers an address to the Commonwealth, which is broadcast throughout the world.

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To celebrate Commonwealth Day 2017 on 13 March, the Royal Commonwealth Society of Singapore and the British High Commissioner hosted a reception at Eden Hall for 250 people from Singapore and around the Commonwealth.

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

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