The Colonial Society is founded as a non-political learned society to promote colonial affairs.
The Society becomes the Royal Colonial Institute, is incorporated under Royal Charter and secures a lease on a Northumberland Avenue site.
The Commonwealth Essay Competition is launched.
The Institute's library now holds 70,000 books and is recognised as the best in the British Empire on colonial affairs,
Council approves the idea of forming local centres or branches in the large cities of the UK, the West Indies, Ceylon and India
The Institute becomes one of the first societies to admit women as full Fellows.
The Royal Colonial Institute becomes the Royal Empire Society.
The Council permits 'Asiatics and men of colour' into full membership.
The Duke and Duchess of York open the new Northumberland Avenue building designed by architects Sir Herbert Baker and A.T. Scott.
Only three months after Ghana becomes the first sub-Saharan country to gain its independence, Prime Minister Kwame Nkrumah visits the Society to share his vision for the future. Kwame would be the first of many such statesmen of newly independent countries to speak at the Society.
The Royal Empire Society becomes the Royal Commonwealth Society.
Kenneth Kaunda, the then President of Zambia, gives a controversial address at the Society. He compares the situation in Rhodesia to that of Hitler's Germany and advocates the use of force.
The Society organises the first multi-faith Commonwealth Day Service of affirmation in St Martin-in-the-Fields.
The Society celebrates its 100th year.
In the 1980's the Society was joined by Oliver Tambo, Thabo Mbeki, Chief Buthelezi and Desmond Tutu who spoke about South Africa's future.
The Society is asked by the African National Congress to host the first press conference by Nelson Mandela upon his first visit to Britain following his release from prison.
A national appeal raises £3 million to gift the Society's archive and extensive library collections to Cambridge University Library
The Jubilee Time Capsule project is conceived by the Society to mark the Diamond Jubilee of Her Majesty Queen Elizabeth II on her 60th year as Head of the Commonwealth. The capsule will be part of a permanent archive for people to learn about life in the Commonwealth. The Capsule is buried in the grounds of Buckingham Palace.
A revived Royal Charter is approved by Privy Council. The Commonwealth Club is closed and the Society changes from being a membership based organisation to a non-governmental, advocacy focused agency.
The Society moves into its new London office with the Duke of Edinburgh International Award Foundation. HM The Queen and The Duke of Edinburgh open the new offices.
The Queen's Commonwealth Canopy (QCC) is launched at CHOGM in Malta
The Society sets a record for the highest number of entries to The Queen's Commonwealth Essay Competition. 13,500 entries from 49 countries are received.
The Society moves into Commonwealth House with the Commonwealth Games Federation and the Commonwealth Local Government Forum establishing the 'Commonwealth Hub' which is launched by HM The Queen.
The Society celebrates its 150th anniversary and appoints Her Royal Highness The Duchess of Cornwall as inaugural Vice-Patron.