Not to be confused with the Balfour Declaration of 1917, the 1926 declaration made Britain’s white settler colonies dominions of the British Commonwealth, namely Australia, Canada, the Irish Free State, Newfoundland, New Zealand, and South Africa.

George V (seated, centre) with Stanley Baldwin (United Kingdom; seated left), W.L. Mackenzie King (Canada; seated right). Standing Walter Stanley Monroe (Newfoundland), Gordon Coates (New Zealand), Stanley Bruce (Australia), J. B. M. Hertzog (Union of South Africa) and W.T. Cosgrave (Irish Free State)

Source: Unknown author, Public domain, via Wikimedia Commons