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Sovereign-state flags in 1918

From Wikimedia Commons, the free media repository

Sovereign states

[edit]
Albania
Albania
Andorra
Andorra
Argentina
Argentina
Armenia
Armenia
Asir
Asir
Aussa
Aussa
Australia
Australia
Austria-Hungary (until 31 October)
Austria-Hungary (until 31 October)
Azerbaijan (from 21 June to 9 November)
Azerbaijan (from 21 June to 9 November)
Azerbaijan (from 9 November)
Azerbaijan (from 9 November)
Belgium
Belgium
Bolivia
Bolivia
Brazil
Brazil
Bulgaria
Bulgaria
Canada
Canada
Chile
Chile
China
China
Colombia
Colombia
Costa Rica
Costa Rica
Cuba
Cuba
Czechoslovakia (from 28 October)
Czechoslovakia (from 28 October)
Dar Al Kuti
Dar Al Kuti
Darfur
Darfur
Denmark
Denmark
Dominican Republic
Dominican Republic
Ecuador
Ecuador
El Salvador
El Salvador
Republic of Estonia (from 24 February)
Republic of Estonia (from 24 February)
Commune of the Working People of Estonia (from 29 November)
Commune of the Working People of Estonia (from 29 November)
Ethiopia
Ethiopia
Finland (until 28 May)
Finland (until 28 May)
Finland (from 28 May)
Finland (from 28 May)
Finnish Socialist Workers' Republic
Finnish Socialist Workers' Republic
France
France
Georgia (from 26 May)
Georgia (from 26 May)
German-Austria (from 12 November)
German-Austria (from 12 November)
Germany (until November 9)
Germany (until November 9)
Germany (from November 9)
Germany (from November 9)
Greece
Greece
Guatemala
Guatemala
Ha'il
Ha'il
Haiti
Haiti
Hejaz
Hejaz
Honduras
Honduras
Hungary (from 16 November)
Hungary (from 16 November)
Iceland (from 1 December)
Iceland (from 1 December)
Italy
Italy
Japan
Japan
Republic of Latvia (from 18 November)
Republic of Latvia (from 18 November)
Latvian Socialist Soviet Republic (from 17 December)
Latvian Socialist Soviet Republic (from 17 December)
Liberia
Liberia
Liechtenstein
Liechtenstein
Lithuania (from 16 February)
Lithuania (from 16 February)
Lithuanian Soviet Socialist Republic (from 16 December)
Lithuanian Soviet Socialist Republic (from 16 December)
Luxembourg (from 11 November)
Luxembourg (from 11 November)
Mexico
Mexico
Monaco
Monaco
Montenegro (until 28 November)
Montenegro (until 28 November)
Mountain Republic
Mountain Republic
Muscat and Oman
Muscat and Oman
Nejd and Hasa
Nejd and Hasa
Netherlands
Netherlands
Newfoundland
Newfoundland
New Zealand
New Zealand
Nicaragua
Nicaragua
Norway
Norway
Ottoman Empire
Ottoman Empire
Panama
Panama
Paraguay
Paraguay
Paraguay
Paraguay
Persia
Persia
Peru
Peru
Poland
Poland
Portugal
Portugal
Powo
Powo
Romania
Romania
Russia (until 14 April)
Russia (until 14 April)
Russian Soviet Republic (from 14 April to 17 June)
Russian Soviet Republic (from 14 April to 17 June)
Russian Soviet Republic/Russian Soviet Federative Socialist Republic (from 17 June)
Russian Soviet Republic/Russian Soviet Federative Socialist Republic (from 17 June)
San Marino
San Marino
Serbia (until 1 December)
Serbia (until 1 December)
Serbs, Croats and Slovenes (from 1 December)
Serbs, Croats and Slovenes (from 1 December)
Siam
Siam
South Africa
South Africa
Spain
Spain
Sweden
Sweden
Switzerland
Switzerland
Tibet
Tibet
Transcaucasia
Transcaucasia
United Kingdom
United Kingdom
United States
United States
Upper Asir
Upper Asir
Uruguay
Uruguay
Venezuela
Venezuela
Yemen
Yemen

Colonies, concessions, possessions, protectorates, mandates and territories

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Territory of New Guinea (Australia)
Territory of New Guinea (Australia)
Norfolk Island (Australia)
Norfolk Island (Australia)
Papua (Australia)
Papua (Australia)
Belgian Congo (Belgium)
Belgian Congo (Belgium)
Ruanda-Urundi (Belgium)
Ruanda-Urundi (Belgium)
Tianjin (Belgium)
Tianjin (Belgium)
Greenland (Denmark)
Greenland (Denmark)
Iceland (until 1918; Denmark)
Iceland (until 1918; Denmark)
Anglo-Egyptian Sudan (Egypt and United Kingdom)
Anglo-Egyptian Sudan (Egypt and United Kingdom)
French Algeria (France)
French Algeria (France)
French Cameroon (France)
French Cameroon (France)
French Equatorial Africa (France)
French Equatorial Africa (France)
French Guiana (France)
French Guiana (France)
French India (France)
French India (France)
French Indochina (France)
French Indochina (France)
French Madagascar (France)
French Madagascar (France)
French Morocco (France)
French Morocco (France)
French Polynesia (France)
French Polynesia (France)
French Somaliland (France)
French Somaliland (France)
French Tunisia (France)
French Tunisia (France)
French West Africa (France)
French West Africa (France)
Guadeloupe (France)
Guadeloupe (France)
Martinique (France)
Martinique (France)
New Caledonia (France)
New Caledonia (France)
Réunion (France)
Réunion (France)
Saint Barthelemy (France)
Saint Barthelemy (France)
Saint Martin (France)
Saint Martin (France)
Saint Pierre and Miquelon (France)
Saint Pierre and Miquelon (France)
Shanghai (France)
Shanghai (France)
Tientsin (France)
Tientsin (France)
Ubangi-Shari (France)
Ubangi-Shari (France)
Wallis and Futuna (France)
Wallis and Futuna (France)
German East Africa (Germany)
German East Africa (Germany)
German New Guinea (Germany)
German New Guinea (Germany)
German Samoa (Germany)
German Samoa (Germany)
German South-West Africa (Germany)
German South-West Africa (Germany)
Tientsin (Germany)
Tientsin (Germany)
Italian Cyrenaica (Italy)
Italian Cyrenaica (Italy)
Italian Eritrea (Italy)
Italian Eritrea (Italy)
Italian Somaliland (Italy)
Italian Somaliland (Italy)
Italian Tripolitania (Italy)
Italian Tripolitania (Italy)
Tientsin (Italy)
Tientsin (Italy)
Japanese Korea (Chōsen) (Japan)
Japanese Korea (Chōsen) (Japan)
Karafuto (Japan)
Karafuto (Japan)
Kwantung (Japan)
Kwantung (Japan)
South Seas Mandate (Japan)
South Seas Mandate (Japan)
Taiwan (Japan)
Taiwan (Japan)
Isla de la Pasión (Mexico)
Isla de la Pasión (Mexico)
Curaçao and Dependencies (Netherlands)
Curaçao and Dependencies (Netherlands)
Dutch East Indies (Netherlands)
Dutch East Indies (Netherlands)
Surinam (Netherlands)
Surinam (Netherlands)
Cook Islands (New Zealand)
Cook Islands (New Zealand)
Niue (New Zealand)
Niue (New Zealand)
Bouvet Island (Norway)
Bouvet Island (Norway)
Peter I Island (Norway)
Peter I Island (Norway)
Sverdrup Islands (Norway)
Sverdrup Islands (Norway)
Portuguese Cape Verde (Portugal)
Portuguese Cape Verde (Portugal)
Portuguese Macau (Portugal)
Portuguese Macau (Portugal)
Portuguese East Africa (Portugal)
Portuguese East Africa (Portugal)
Portuguese Guinea (Portugal)
Portuguese Guinea (Portugal)
Portuguese India (Portugal)
Portuguese India (Portugal)
Portuguese Timor (Portugal)
Portuguese Timor (Portugal)
Portuguese West Africa (Portugal)
Portuguese West Africa (Portugal)
Fort of São João Baptista de Ajudá (Portugal)
Fort of São João Baptista de Ajudá (Portugal)
Portuguese São Tomé and Príncipe (Portugal)
Portuguese São Tomé and Príncipe (Portugal)
Bukhara (Russia)
Bukhara (Russia)
Khiva (Russia)
Khiva (Russia)
Uryankhay Krai (Russia)
Uryankhay Krai (Russia)
Tientsin (Russia)
Tientsin (Russia)
Elobey, Annobón, and Corisco (Spain)
Elobey, Annobón, and Corisco (Spain)
Fernando Poo (Spain)
Fernando Poo (Spain)
Río Muni (Spain)
Río Muni (Spain)
Spanish Morocco (Spain)
Spanish Morocco (Spain)
Spanish North Africa (Spain)
Spanish North Africa (Spain)
Spanish Sahara (Spain)
Spanish Sahara (Spain)
South West Africa (South Africa)
South West Africa (South Africa)
Aden (United Kingdom)
Aden (United Kingdom)
Afghanistan (United Kingdom)
Afghanistan (United Kingdom)
Ascension Island (United Kingdom)
Ascension Island (United Kingdom)
Bahamas (United Kingdom)
Bahamas (United Kingdom)
Bahrain (United Kingdom)
Bahrain (United Kingdom)
Baker Island (United Kingdom)
Baker Island (United Kingdom)
Barbados (United Kingdom)
Barbados (United Kingdom)
Basutoland (United Kingdom)
Basutoland (United Kingdom)
Bechuanaland (United Kingdom)
Bechuanaland (United Kingdom)
Bermuda (United Kingdom)
Bermuda (United Kingdom)
Bhutan (United Kingdom)
Bhutan (United Kingdom)
British Ceylon (United Kingdom)
British Ceylon (United Kingdom)
British Cyprus (United Kingdom)
British Cyprus (United Kingdom)
British East Africa (United Kingdom)
British East Africa (United Kingdom)
British Guiana (United Kingdom)
British Guiana (United Kingdom)
British Honduras (United Kingdom)
British Honduras (United Kingdom)
British Hong Kong (United Kingdom)
British Hong Kong (United Kingdom)
British Jamaica (United Kingdom)
British Jamaica (United Kingdom)
British Leeward Islands (United Kingdom)
British Leeward Islands (United Kingdom)
British Mauritius (United Kingdom)
British Mauritius (United Kingdom)
British Somaliland (United Kingdom)
British Somaliland (United Kingdom)
British Trinidad and Tobago (United Kingdom)
British Trinidad and Tobago (United Kingdom)
British Western Pacific Territories (United Kingdom)
British Western Pacific Territories (United Kingdom)
British Windward Islands (United Kingdom)
British Windward Islands (United Kingdom)
Brunei (United Kingdom)
Brunei (United Kingdom)
Egypt (United Kingdom)
Egypt (United Kingdom)
Falkland Islands (United Kingdom)
Falkland Islands (United Kingdom)
Federated Malay States (United Kingdom)
Federated Malay States (United Kingdom)
Gambia (United Kingdom)
Gambia (United Kingdom)
Gibraltar (United Kingdom)
Gibraltar (United Kingdom)
Gold Coast (United Kingdom)
Gold Coast (United Kingdom)
Graham Land (United Kingdom)
Graham Land (United Kingdom)
Guernsey (United Kingdom)
Guernsey (United Kingdom)
Heard Island and McDonald Islands (United Kingdom)
Heard Island and McDonald Islands (United Kingdom)
India (United Kingdom)
India (United Kingdom)
Isle of Man (United Kingdom)
Isle of Man (United Kingdom)
Jarvis Island (United Kingdom)
Jarvis Island (United Kingdom)
Jersey (United Kingdom)
Jersey (United Kingdom)
Johor (United Kingdom)
Johor (United Kingdom)
Kedah (United Kingdom)
Kedah (United Kingdom)
Kelantan (United Kingdom)
Kelantan (United Kingdom)
Kuwait (United Kingdom)
Kuwait (United Kingdom)
Maldives (United Kingdom)
Maldives (United Kingdom)
Malta (United Kingdom)
Malta (United Kingdom)
Nepal (United Kingdom)
Nepal (United Kingdom)
Nigeria (United Kingdom)
Nigeria (United Kingdom)
North Borneo (United Kingdom)
North Borneo (United Kingdom)
Northern Rhodesia (United Kingdom)
Northern Rhodesia (United Kingdom)
Nyasaland (United Kingdom)
Nyasaland (United Kingdom)
Perlis (United Kingdom)
Perlis (United Kingdom)
Phoenix Islands (United Kingdom)
Phoenix Islands (United Kingdom)
Pitcairn Islands (United Kingdom)
Pitcairn Islands (United Kingdom)
Qatar (United Kingdom)
Qatar (United Kingdom)
Rhodesia (United Kingdom)
Rhodesia (United Kingdom)
Saint Helena (United Kingdom)
Saint Helena (United Kingdom)
Sarawak (United Kingdom)
Sarawak (United Kingdom)
Seychelles (United Kingdom)
Seychelles (United Kingdom)
Sierra Leone (United Kingdom)
Sierra Leone (United Kingdom)
South Orkney Islands (United Kingdom)
South Orkney Islands (United Kingdom)
South Shetland Islands (United Kingdom)
South Shetland Islands (United Kingdom)
Straits Settlements (United Kingdom)
Straits Settlements (United Kingdom)
Suez Canal (United Kingdom)
Suez Canal (United Kingdom)
Swaziland (United Kingdom)
Swaziland (United Kingdom)
Terengganu (United Kingdom)
Terengganu (United Kingdom)
Tristan da Cunha (United Kingdom)
Tristan da Cunha (United Kingdom)
Trucial States (United Kingdom)
Trucial States (United Kingdom)
Uganda (United Kingdom)
Uganda (United Kingdom)
Victoria Land (United Kingdom)
Victoria Land (United Kingdom)
Weihai (United Kingdom)
Weihai (United Kingdom)
Zanzibar (United Kingdom)
Zanzibar (United Kingdom)
Alaska (United States)
Alaska (United States)
American Samoa (United States)
American Samoa (United States)
Bajo Nuevo Bank (United States)
Bajo Nuevo Bank (United States)
Guam (United States)
Guam (United States)
Hawaii (United States)
Hawaii (United States)
Howland Island (United States)
Howland Island (United States)
Johnston Atoll (United States)
Johnston Atoll (United States)
Kingman Reef (United States)
Kingman Reef (United States)
Middlebrook Island (United States)
Middlebrook Island (United States)
Midway Atoll (United States)
Midway Atoll (United States)
Navassa Island (United States)
Navassa Island (United States)
Panama Canal Zone (United States)
Panama Canal Zone (United States)
Philippine Islands (United States)
Philippine Islands (United States)
Puerto Rico (United States)
Puerto Rico (United States)
Quita Sueño Bank (United States)
Quita Sueño Bank (United States)
Roncador Bank (United States)
Roncador Bank (United States)
Serrana Bank (United States)
Serrana Bank (United States)
Serranilla Bank (United States)
Serranilla Bank (United States)
Swan Islands (United States)
Swan Islands (United States)
United States Virgin Islands (United States)
United States Virgin Islands (United States)
Wake Island (United States)
Wake Island (United States)

Other entities

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Alash
Alash
Alsace-Lorraine
Alsace-Lorraine
Altai
Altai
Aras
Aras
Banat Republic
Banat Republic
Bavaria
Bavaria
Belarus
Belarus
Centrocaspian Dictatorship
Centrocaspian Dictatorship
Courland and Semigallia
Courland and Semigallia
Crimea (until January)
Crimea (until January)
Crimea (from May)
Crimea (from May)
Don
Don
Donbas and Kryvbas
Donbas and Kryvbas
Idel-Ural
Idel-Ural
Kars Republic
Kars Republic
Kokland
Kokland
Komancza
Komancza
Kuban
Kuban
Lemko Republic
Lemko Republic
Moldova
Moldova
Odessa
Odessa
Perloja
Perloja
Saxony
Saxony
Slovenes, Croats and Serbs
Slovenes, Croats and Serbs
Tarnobrzeg
Tarnobrzeg
Tripolitania
Tripolitania
Uhtua
Uhtua
Ukrainian People's Republic of Soviets
Ukrainian People's Republic of Soviets
Ukrainian People's Republic
Ukrainian People's Republic
Ukrainian State
Ukrainian State
West Ukrainian People's Republic
West Ukrainian People's Republic
Zakopane
Zakopane