Sovereign-state flags in 1920

Sovereign states

Afghanistan
Afghanistan
Albania
Albania
Andorra
Andorra
Argentina
Argentina
Armenia
Armenia
Asir
Asir
Australia
Australia
Austria
Austria
Azerbaijan (until April 28)
Azerbaijan (until April 28)
Azerbaijan (from April 28)
Azerbaijan (from April 28)
Belgium
Belgium
Bolivia
Bolivia
Brazil
Brazil
Bulgaria
Bulgaria
Canada
Canada
Chile
Chile
China
China
Colombia
Colombia
Costa Rica
Costa Rica
Cuba
Cuba
Czechoslovakia (until 30 March)
Czechoslovakia (until 30 March)
Czechoslovakia (from 30 March)
Czechoslovakia (from 30 March)
Danzig
Danzig
Denmark
Denmark
Dominican Republic
Dominican Republic
Ecuador
Ecuador
El Salvador
El Salvador
Estonia
Estonia
Ethiopia
Ethiopia
Finland (until mid-1920)
Finland (until mid-1920)
Finland (from mid-1920)
Finland (from mid-1920)
Fiume
Fiume
France
France
Georgia
Georgia
Germany
Germany
Greece
Greece
Guatemala
Guatemala
Haʾil
Haʾil
Haiti
Haiti
Hejaz
Hejaz
Honduras
Honduras
Hungary
Hungary
Iceland
Iceland
Italy
Italy
Japan
Japan
Republic of Latvia
Republic of Latvia
Latvian Socialist Soviet Republic (until 13 January)
Latvian Socialist Soviet Republic (until 13 January)
Liberia
Liberia
Liechtenstein
Liechtenstein
Lithuania
Lithuania
Luxembourg
Luxembourg
Mexico
Mexico
Monaco
Monaco
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
Romania
Romania
Russia
Russia
San Marino
San Marino
Serbs, Croats and Slovenes
Serbs, Croats and Slovenes
Siam
Siam
South Africa
South Africa
Spain
Spain
Sweden
Sweden
Switzerland
Switzerland
Tibet
Tibet
United Kingdom
United Kingdom
United States
United States
Upper Asir (until 1920)
Upper Asir (until 1920)
Uruguay
Uruguay
Venezuela
Venezuela
Yemen
Yemen

Colonies, concessions, possessions, protectorates, mandates and territories

Nauru (Australia)
Nauru (Australia)
New Guinea (Australia)
New Guinea (Australia)
Norfolk Island (Australia)
Norfolk Island (Australia)
Papua (Australia)
Papua (Australia)
Belgian Congo (Belgium)
Belgian Congo (Belgium)
Tientsin (Belgium)
Tientsin (Belgium)
Greenland (Denmark)
Greenland (Denmark)
Anglo-Egyptian Sudan (Egypt and United Kingdom)
Anglo-Egyptian Sudan (Egypt and United Kingdom)
Alawite State (from 2 September; France)
Alawite State (from 2 September; France)
French Cameroon (France)
French Cameroon (France)
French Morocco (France)
French Morocco (France)
Greater Lebanon (from 1 September; France)
Greater Lebanon (from 1 September; France)
Saar Basin (from 10 January; France)
Saar Basin (from 10 January; France)
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)
Tientsin (Japan)
Tientsin (Japan)
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)
Western Samoa (from 17 December; New Zealand)
Western Samoa (from 17 December; New Zealand)
Sverdrup Islands (Norway)
Sverdrup Islands (Norway)
North Caucasian Emirate (until March; Ottoman Empire)
North Caucasian Emirate (until March; Ottoman Empire)
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 (until 8 October; Russia)
Bukhara (until 8 October; Russia)
Khiva (until 2 February; Russia)
Khiva (until 2 February; Russia)
Uryankhay (Russia)
Uryankhay (Russia)
Tientsin (until 15 September; Russia)
Tientsin (until 15 September; Russia)
South West Africa (South Africa)
South West Africa (South Africa)
Elobey, Annobón, and Corisco (Spain)
Elobey, Annobón, and Corisco (Spain)
Fernando Poo (Spain)
Fernando Poo (Spain)
Río Muni (Spain)
Río Muni (Spain)
Spanish North Africa (Spain)
Spanish North Africa (Spain)
Spanish Sahara (Spain)
Spanish Sahara (Spain)
Spanish Morocco (Spain)
Spanish Morocco (Spain)
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 Cameroon (United Kingdom)
British Cameroon (United Kingdom)
British East Africa (until 23 July; United Kingdom)
British East Africa (until 23 July; United Kingdom)
British Guiana (United Kingdom)
British Guiana (United Kingdom)
British Honduras (United Kingdom)
British Honduras (United Kingdom)
British Leeward Islands (United Kingdom)
British Leeward Islands (United Kingdom)
British Somaliland (United Kingdom)
British Somaliland (United Kingdom)
British Togoland (from 1920; United Kingdom)
British Togoland (from 1920; 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)
Ceylon (United Kingdom)
Ceylon (United Kingdom)
Cyprus (United Kingdom)
Cyprus (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)
Fiji (United Kingdom)
Fiji (United Kingdom)
Gambia (United Kingdom)
Gambia (United Kingdom)
Gibraltar (United Kingdom)
Gibraltar (United Kingdom)
Gold Coast (United Kingdom)
Gold Coast (United Kingdom)
Guernsey (United Kingdom)
Guernsey (United Kingdom)
Heard Island and McDonald Islands (United Kingdom)
Heard Island and McDonald Islands (United Kingdom)
British Hong Kong (United Kingdom)
British Hong Kong (United Kingdom)
British India (United Kingdom)
British India (United Kingdom)
Isle of Man (United Kingdom)
Isle of Man (United Kingdom)
Jamaica (United Kingdom)
Jamaica (United Kingdom)
Kenya (from 11 June; United Kingdom)
Kenya (from 11 June; 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)
Mauritius (United Kingdom)
Mauritius (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)
Palestine (United Kingdom)
Palestine (United Kingdom)
Perlis (United Kingdom)
Perlis (United Kingdom)
Qatar (United Kingdom)
Qatar (United Kingdom)
Saar Basin (United Kingdom)
Saar Basin (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)
Straits Settlements (United Kingdom)
Straits Settlements (United Kingdom)
Swaziland (United Kingdom)
Swaziland (United Kingdom)
Tanganyika (United Kingdom)
Tanganyika (United Kingdom)
Terengganu (United Kingdom)
Terengganu (United Kingdom)
Trinidad and Tobago (United Kingdom)
Trinidad and Tobago (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)
Weihaiwei (United Kingdom)
Weihaiwei (United Kingdom)
Zanzibar (United Kingdom)
Zanzibar (United Kingdom)
Alaska (United States)
Alaska (United States)
American Samoa (United States)
American Samoa (United States)
Corn Islands (United States)
Corn Islands (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)
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)
Petrel Islands (United States)
Petrel Islands (United States)
Philippine Islands (United States)
Philippine Islands (United States)
Puerto Rico (United States)
Puerto Rico (United States)
Quita Sueno Bank (United States)
Quita Sueno 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)

Other entities

Alash
Alash
Azadistan
Azadistan
Bottleneck
Bottleneck
Bukhara
Bukhara
Byelorussia
Byelorussia
Carnaro
Carnaro
Central Lithuania
Central Lithuania
Don
Don
Far Eastern Republic
Far Eastern Republic
Galicia
Galicia
Gilan
Gilan
Ireland
Ireland
Karelia
Karelia
Khorezm
Khorezm
Khorezm (from January to 30 April)
Khorezm (from January to 30 April)
Khorezm (from 30 April)
Khorezm (from 30 April)
Provisional Government of the Republic of Korea
Provisional Government of the Republic of Korea
Kuban
Kuban
Lemko Republic
Lemko Republic
North Ingria
North Ingria
Southern Karelia
Southern Karelia
Syria
Syria
Uhtua
Uhtua
Ukrainian Socialist Soviet Republic
Ukrainian Socialist Soviet Republic
Category:Gallery pages of Sovereign-state flags by year#1920
Category:Gallery pages of Sovereign-state flags by year