Britain → United Kingdom of Great Britain and Ireland (1801) → United Kingdom of Great Britain and Northern Ireland (1927) Kingdom of Hejaz and Nejd → Saudi Arabia (1932) Persia → Iran (1935) Irish Republic or Southern Ireland → Irish Free State (1922) → Republic of Ireland (1949) Bessarabia → Moldavian SSR (1940) Abyssinia → Ethiopia (1941) Dutch East Indies → Indonesia (1945 or 1949) Transjordan → Jordan (1946) Siam → Thailand (1949) East Bengal → East Pakistan (1955) Gold Coast → Ghana (1957) Ubangi-Shari → Central African Republic (1958) French Dahomey → Republic of Dahomey (1958) French Upper Volta → Republic of Upper Volta (1958) French Sudan → Mali (1960) Western Samoa Trust Territory → Western Samoa (1962) → Samoa (1997) United Republic of Tanganyika and Zanzibar → Tanzania (1964) Nyasaland → Malawi (1964) Northern Rhodesia → Zambia (1964) Southern Rhodesia → Rhodesia (1964) Bechuanaland → Botswana (1966) Basutoland → Lesotho (1966) British Guiana → Guyana (1966) Spanish Guinea → Equatorial Guinea (1968) French Somaliland → Afars and Issas (1967) Muscat and Oman → Oman (1970) Democratic Republic of the Congo → Zaïre (1971) East Pakistan → Bangladesh (1971) Ceylon → Sri Lanka (1972) British Honduras → Belize (1973) Portuguese Guinea → Guinea-Bissau (1974) Dutch Guiana → Suriname (1975) Republic of Dahomey → Benin (1975) Spanish Possessions in the Sahara → Spanish West Africa (1946) → Province of the Sahara (1958) → Western Sahara (1975) Khmer Republic → Kampuchea (1975) Portuguese Timor → East Timor (1975) Afars and Issas → Djibouti (1977) Ellice Islands → Tuvalu (1978) Gilbert Islands → Kiribati (1979) Rhodesia → Zimbabwe-Rhodesia (1979) Zimbabwe-Rhodesia → Zimbabwe (1980) New Hebrides → Vanuatu (1980) Republic of Upper Volta → Burkina Faso (1984) Ivory Coast → Republic of Côte d'Ivoire (1986) Burma → Myanmar (1989; disputed) Southwest Africa → Namibia (1990) Moldavian SSR → Republic of Moldova (1991) Belarusian Democratic Republic → Byelorussian SSR (1919) → Republic of Belarus (1991) Kara-Kirghiz Autonomous Oblast → Kirghiz ASSR (1926) → Kirghiz SSR (1936) → Socialist Republic of Kyrgyzstan (1990) → Republic of Kyrgyzstan (1990) → Kyrgyz Republic (1991) Kirghiz ASSR → Kazakh ASSR (1925) → Kazakh SSR (1936) → Republic of Kazakhstan (1991) Russian Empire → Russian Republic (1917) → Russian Soviet Federative Socialist Republic (1917) → Russian Federation (1991) Kingdom of Cambodia → Khmer Republic (1970) → Democratic Kampuchea (1975) → People's Republic of Kampuchea (1979) → State of Cambodia