On this day in 1907, four months after the 1907 Imperial Conference, New Zealand and Newfoundland are promoted from colonies to dominions within the British Empire.

The 1907 Imperial Conference was convened in London on 15 April 1907 and concluded on 14 May 1907. During the sessions a resolution was passed renaming this and future meetings Imperial Conferences. The chairman of the conference was British prime minister Sir Henry Campbell-Bannerman.