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. (January 2013)
The heads of government of five members of the Commonwealth of Nations at the 1944 Commonwealth Prime Ministers' Conference.
The meetings originated with the leaders of the self-governing colonies of the
First Colonial Conference in 1887 was followed by periodic meetings, known as
Imperial Conferences from 1907, of government leaders of the Empire. The development of the independence of the
dominions, and the creation of a number of new dominions, as well as the invitation of
Southern Rhodesia (which also attended as a sui generis colony),
 changed the nature of the meetings.
 As the dominion leaders asserted themselves more and more at the meetings, it became clear that the time for 'imperial' conferences was over.
From the ashes of the
Second World War, seventeen
Commonwealth Prime Ministers' Conferences were held between 1944 and 1969. Of these, sixteen were held in London, reflecting then-prevailing views of the Commonwealth as the continuation of the Empire and the centralisation of power in the British
Commonwealth Office (the one meeting outside London, in
Lagos, was an extraordinary meeting held in January 1966 to co-ordinate policies towards
Rhodesia). Two supplementary meetings were also held during this period: a Commonwealth Statesmen's meeting to discuss peace terms in April 1945, and a Commonwealth Economic Conference in 1952.
The 1960s saw an overhaul of the Commonwealth. The swift expansion of the Commonwealth after
decolonisation saw the newly independent countries demand the creation of the
Commonwealth Secretariat, and the United Kingdom, in response, successfully founding the
 This decentralisation of power demanded a reformulation of the meetings. Instead of the meetings always being held in London, they would rotate across the membership, subject to countries' ability to host the meetings: beginning with Singapore
in 1971. They were also renamed the 'Commonwealth Heads of Government Meetings' to reflect the growing diversity of the constitutional structures in the Commonwealth.