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Former Countries
25 entries
Artsakh (Nagorno-Karabakh Republic)
A self-declared republic in the South Caucasus, never recognized by any UN member, dissolved in 2024
Biafra
The breakaway republic of Nigeria's southeast, 1967 to 1970
Czechoslovakia
The Central European republic of 1918 that ended in a peaceful Velvet Divorce
East Germany
The German Democratic Republic, the Soviet bloc state behind the Berlin Wall
Gran Colombia
Simón Bolívar's republic that joined Colombia, Venezuela, Ecuador, and Panama
Neutral Moresnet
A sliver of shared land that existed for a century because of a zinc mine
Rhodesia
A self-declared state in southern Africa that no country formally recognized
Serbia and Montenegro
The last remnant of Yugoslavia, from a 1992 federation to a loose union dissolved in 2006
South Vietnam
The Republic of Vietnam, the southern half of a country divided at the 17th parallel
South Yemen
The Arab world's only Marxist state, built around the port of Aden
Tanganyika
The East African republic that joined Zanzibar in 1964 to create Tanzania
The Dominion of Newfoundland
A self-governing dominion that gave up home rule and later voted to join Canada
The Federal Republic of Central America
The short-lived union of five Central American states after independence from Spain
The Free City of Danzig
A League of Nations city-state at the mouth of the Vistula, 1920 to 1939
The Kingdom of Hawaii
An island monarchy that held treaties with the great powers until its overthrow in 1893
The Kingdom of Prussia
The north German kingdom that unified Germany and then vanished from the map
The Kingdom of Sikkim
A Himalayan Buddhist monarchy that became India's 22nd state in 1975
The Orange Free State
A Boer republic on the South African highveld, 1854 to 1902
The Republic of Texas
The nine-year country between Mexico and the United States
The Republic of Venice
The lagoon republic that ran a Mediterranean trading empire for a thousand years
The Soviet Union
The world's largest state for seven decades, spanning 11 time zones and 15 republics
The United Arab Republic
The 1958 union of Egypt and Syria, the high-water mark of pan-Arab nationalism
West Germany
The Federal Republic of Bonn, from postwar ruins to economic miracle and unification
Yugoslavia
The South Slav state that held six republics together for most of the 20th century
Zaire
The name the Congo carried through a quarter-century of one-party rule