After the grant of self-government to the Transvaal in 1907, General Botha was called upon by Lord Selborne to form a government, and in the spring of the same year he took part in the conference of colonial premiers held in London.
Efter at Transvaal fik selvstyre i 1907, blev general Botha bedt om, at danne en regering, og foråret samme år deltog han i en konference for kolonielle statsministre som blev holdt i London.