South African general election 1933 Tags: Election.The 1933 South African general election was held for the 150 seats in the House of Assembly of the Union of South Africa on 17 May 1933. The National Party won half the seats in the House but the coalition with the South African Party continued. thumbnail country South Africa firstLeader J. B. M. Hertzog secondLeader Jan Smuts start date 1933-05-17 title South African general election 1933 Learn more... Loading...