article: List of countries in the 1920s
links: Rio Grande do Sul Ecuador Russian language Weimar Republic Pietermaritzburg American Samoa Territory of the Saar Basin League of Nations Northern Rhodesia Czechoslovak Republic (1918–1938) Pretoria Bahrain French Third Republic Santa Catarina (state) Greece Mutawakkilite Kingdom of Yemen Georgian SSR Pernambuco Serranilla Bank Tuvan People's Republic Pará Democratic Republic of Georgia Kingdom of Nepal Azerbaijan Democratic Republic Johnston Atoll Basutoland Rio Grande do Norte League of Nations mandate Second Polish Republic Norfolk Island Pahlavi dynasty Heard Island and McDonald Islands Goiás Bermuda Tokelau Ross Dependency Armenia South West Africa Gambia Colony and Protectorate Thailand United Kingdom Soviet Union Qatar Piauí Bahia Honduras Bloemfontein Terengganu Chongqing Dominion of New Zealand Amanullah Khan Sultanate of Zanzibar Guernsey Kingdom of Yugoslavia Emirate of Transjordan Georgian Soviet Socialist Republic Territory of Hawaii Brunei United Kingdom of Great Britain and Ireland Irish Republic Isle of Man Azerbaijan Republic of Ararat Tristan da Cunha Beijing First Brazilian Republic Mecca British Hong Kong First Austrian Republic Alaska Territory Uzbek SSR Navassa Island Swan Islands, Honduras Kingdom of Hejaz Cook Islands Saint Helena French protectorate in Morocco Ditadura Nacional Georgia (country) Sergipe Kingdom of Italy Socialist Soviet Republic of Abkhazia Mandatory Palestine Alash Autonomy Byelorussian Soviet Socialist Republic Paraíba Kingdom of Afghanistan Italian Somaliland Seychelles Maranhão Mongolia Kingdom of Iceland Jarvis Island Mohammed Nadir Shah Russian SFSR Byelorussian SSR Espírito Santo Ruanda-Urundi Emirate of Bukhara Kingdom of Hungary (1920–1946) Italian Eritrea Riyadh Spanish protectorate in Morocco Cape Town Andorra Federated Malay States Transcaucasian SFSR Guam Latvia Paraná (state) Howland Island House of Saud Kenya Colony Minas Gerais Republic of China (1912–1949) Nauru Baker Island First Republic of Armenia Amazonas (Brazilian state) Nanjing Tibet (1912–1951) Rio de Janeiro (state) Qajar dynasty Turkmen SSR Mato Grosso Cyprus São Paulo (state) Kingdom of Greece Swaziland Alagoas Bhutan Ceará Kingman Reef Armenian SSR Columbia University Bechuanaland Acre (state) Ukrainian SSR Midway Atoll Ukrainian Soviet Socialist Republic Azerbaijan SSR Puerto Rico Holy See States of Brazil