They Ruled Everything—Now They’re Footnotes: 15 Political Parties That Once Dominated the World

13. Unionist Party (South Africa, pre-1934)

Formed in 1910, the Unionist Party was the dominant pro-British group in early South Africa, influencing segregationist policy and the economy. Merged into the South African Party by 1934, it is now largely forgotten. For a thorough history, see South African History Online.