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

12. People’s Democratic Party of Afghanistan

The People’s Democratic Party of Afghanistan (PDPA) seized power in 1978, ruling Afghanistan with Soviet backing during a tumultuous era of reform and conflict. The Soviet withdrawal and civil war shattered its rule, ultimately ushering in the Taliban era. The party dissolved and vanished from Afghan politics. More at Encyclopedia Britannica.