History of South Africa (1910–48) Good Hope. Smuts took severe action against the pro-Nazi South Africa Ossewabrandwag movement (they were caught committing acts of sabotage) and jailed its leaders for the duration of the war. (One of them, John Vorster, was to become future Prime Minister of South Africa.) (See Jan Smuts during World War II.) Prime Minister Jan Smuts was the only important non-British general whose advice was constantly sought by Britain's wartime Prime Minister Winston Churchill. Smuts was invited to the Imperial War Cabinet in 1939 as the most senior South African in favour of war. On 28 May 1941, Smuts was appointed
Prime Minister of South Africa Prime Minister of South Africa The Prime Minister of South Africa ( was the head of government in South Africa between 1910 and 1984. The position of Prime Minister was established in 1910, when the Union of South Africa was formed. He was appointed by the head of state—the Governor-General until 1961 and the State President after South Africa became a republic in 1961. In practice, he was the leader of the majority party or coalition in the House of Assembly. The first Prime Minister was Louis Botha, a former Boer general and war hero during the Second Boer War.