Sovereign-state flags in 1920

Sovereign states

Afghanistan

Albania

Andorra

Argentina

Armenia

Asir

Aussa

Australia

Austria

Azerbaijan (until 28 April)

Azerbaijan (from 28 April)

Belgium

Bolivia

Brazil

Bulgaria

Canada

Chile

China

Colombia

Costa Rica

Cuba

Czechoslovakia (until 30 March)

Czechoslovakia (from 30 March)

Danzig (from 15 November)

Denmark

Dominican Republic

Ecuador

El Salvador

Estonia

Ethiopia

Finland

Fiume (from 30 December)

France

Georgia

Germany

Greece

Guatemala

Haʾil

Haiti

Hejaz

Honduras

Hungary

Iceland

Italy

Japan

Republic of Latvia

Latvian Socialist Soviet Republic (until 13 January)

Liberia

Liechtenstein

Lithuania

Luxembourg

Mexico

Monaco

Mountain Republic

Muscat and Oman

Nejd and Hasa

Netherlands

Newfoundland

New Zealand

Nicaragua

Norway

Ottoman Empire

Panama

Paraguay

Paraguay

Persia

Peru

Poland

Portugal

Romania

Russia

San Marino

Serbs, Croats and Slovenes

Siam

South Africa

Spain

Sweden

Switzerland

Tibet

United Kingdom

United States

Upper Asir (until 1920)

Uruguay

Venezuela

Yemen

Colonies, concessions, possessions, protectorates, mandates and territories

Nauru (from 1920; Australia)

New Guinea (Australia)

Norfolk Island (Australia)

Papua (Australia)

Belgian Congo (Belgium)

Ruanda-Urundi (Belgium)

Tientsin (Belgium)

Anglo-Egyptian Sudan (Egypt and United Kingdom)

Åland (from 7 May; Finland)

Alawite State (from 1 September; France)

French Algeria (France)

French Cameroon (France)

French Chad (from 17 March; France)

French Equatorial Africa (France)

French Guiana (France)

French India (France)

French Indochina (France)

French Madagascar (France)

French Morocco (France)

French Polynesia (France)

French Somaliland (France)

French Togoland (France)

French Tunisia (France)

French West Africa (France)

Gambier Islands (France)

Guadeloupe (France)

Hankou (France)

Martinique (France)

New Caledonia (France)

New Hebrides (France)

Réunion (France)

Saint Pierre and Miquelon (France)

Shanghai (France)

Tientsin (France)

Ubangi-Shari (France)

Wallis and Futuna (France)

Greater Lebanon (from 1 September; France)

Saar Basin (from 10 January; France)

German Samoa (until 10 January; Germany)

Amoy (Italy)

Italian Cyrenaica (Italy)

Italian Eritrea (Italy)

Italian Somaliland (Italy)

Italian Tripolitania (Italy)

Shanghai (Italy)

Tientsin (Italy)

Chongqing (Japan)

Hangzhou (Japan)

Hankou (Japan)

Japanese Korea (Chōsen) (Japan)

Karafuto (Japan)

Kwantung (Japan)

Shashi (Japan)

South Seas Mandate (Japan)

Suzhou (Japan)

Taiwan (Japan)

Tientsin (Japan)

Curaçao and Dependencies (Netherlands)

Dutch East Indies (Netherlands)

Surinam (Netherlands)

Cook Islands (New Zealand)

Niue (New Zealand)

Western Samoa (New Zealand)

Sverdrup Islands (Norway)

North Caucasian Emirate (until March; Ottoman Empire)

Portuguese Cape Verde (Portugal)

Portuguese Macau (Portugal)

Portuguese East Africa (Portugal)

Portuguese Guinea (Portugal)

Portuguese India (Portugal)

Portuguese Timor (Portugal)

Portuguese West Africa (Portugal)

Fort of São João Baptista de Ajudá (Portugal)

Portuguese São Tomé and Príncipe (Portugal)

Bukhara (until September; Russia)

Khiva (until 2 February; Russia)

Abkhaz Autonomous Soviet Socialist Republic (Soviet Union)

Uryankhay (Russia)

Tientsin (until 15 September; Russia)

South West Africa (South Africa)

Elobey, Annobón, and Corisco (Spain)

Fernando Poo (Spain)

Río Muni (Spain)

Spanish North Africa (Spain)

Spanish Sahara (Spain)

Spanish Morocco (Spain)

Aden (United Kingdom)

Amoy (United Kingdom)

Ascension Island (United Kingdom)

Bahamas (United Kingdom)

Bahrain (United Kingdom)

Baker Island (United Kingdom)

Barbados (United Kingdom)

Basutoland (United Kingdom)

Bechuanaland (United Kingdom)

Bermuda (United Kingdom)

Bhutan (United Kingdom)

British Cameroon (United Kingdom)

British East Africa (until 23 July; United Kingdom)

British Guiana (United Kingdom)

British Honduras (United Kingdom)

British Leeward Islands (United Kingdom)

British Somaliland (United Kingdom)

British Togoland (United Kingdom)

British Western Pacific Territories (United Kingdom)

British Windward Islands (United Kingdom)

Brunei (United Kingdom)

Ceylon (United Kingdom)

Cyprus (United Kingdom)

Egypt (United Kingdom)

Falkland Islands (United Kingdom)

Federated Malay States (United Kingdom)

Gambia (United Kingdom)

Gibraltar (United Kingdom)

Gold Coast (United Kingdom)

Guernsey (United Kingdom)

Hankou (United Kingdom)

Heard Island and McDonald Islands (United Kingdom)

British Hong Kong (United Kingdom)

British India (from 10 January; United Kingdom)

Isle of Man (United Kingdom)

Jamaica (United Kingdom)

Kenya (from 11 June; United Kingdom)

Jarvis Island (United Kingdom)

Jersey (United Kingdom)

Jiujiang (United Kingdom)

Johor (United Kingdom)

Kedah (United Kingdom)

Kelantan (United Kingdom)

Kuwait (United Kingdom)

Maldives (United Kingdom)

Malta (United Kingdom)

Mauritius (United Kingdom)

Nepal (United Kingdom)

Nigeria (United Kingdom)

North Borneo (United Kingdom)

Northern Rhodesia (United Kingdom)

Nyasaland (United Kingdom)

Palestine (from 25 April; United Kingdom)

Perlis (United Kingdom)

Qatar (United Kingdom)

Saar Basin (from 10 January; United Kingdom)

Saint Helena (United Kingdom)

Sarawak (United Kingdom)

Seychelles (United Kingdom)

Sierra Leone (United Kingdom)

Sikkim (United Kingdom)

South Orkney Islands (United Kingdom)

Southern Rhodesia (United Kingdom)

South Shetland Islands (United Kingdom)

Straits Settlements (United Kingdom)

Swaziland (United Kingdom)

Tanganyika (United Kingdom)

Terengganu (United Kingdom)

Tientsin (United Kingdom)

Trinidad and Tobago (United Kingdom)

Tristan da Cunha (United Kingdom)

Trucial States (United Kingdom)

Uganda (United Kingdom)

Union Islands (United Kingdom)

Victoria Land (United Kingdom)

Weihaiwei (United Kingdom)

Zanzibar (United Kingdom)

Zhenjiang (United Kingdom)

Alaska (United States)

American Samoa (United States)

Corn Islands (United States)

Guam (United States)

Hawaii (United States)

Howland Island (United States)

Johnston Atoll (United States)

Kingman Reef (United States)

Midway Atoll (United States)

Navassa Island (United States)

Panama Canal Zone (United States)

Petrel Islands (United States)

Philippine Islands (United States)

Puerto Rico (United States)

Quita Sueno Bank (United States)

Roncador Bank (United States)

Serrana Bank (United States)

Serranilla Bank (United States)

Swan Islands (United States)

United States Virgin Islands (United States)

Australian states

New South Wales

Queensland

South Australia

Tasmania

Victoria

Western Australia

Canadian states

Alberta

British Columbia

Manitoba

New Brunswick

Northwest Territories

Nova Scotia

Ontario

Prince Edward Island

Quebec

Saskatchewan

Yukon Territory

Sovereign U.S. states

Alabama

Arizona

Arkansas

California

Colorado

Connecticut

Delaware

Florida

Georgia (until 20 January)

Georgia (from 20 January)

Idaho

Illinois

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Hampshire

New Jersey

New Mexico

New York

North Carolina

North Dakota

Ohio

Oklahoma

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming

Other entities

Åland (from 7 May)

Alash (until 26 August)

Alash (from 26 August)

Alchensk

Altai (until 1920)

Altai (from 1920)

Aras (until 1920)

Aras (from 1920)

Astana (from 1920)

Azadistan (from 1920)

Bottleneck

Bukhara (from 8 October)

Byelorussia (31 July–30 December)

Byelorussian-Lithuanian Soviet Socialist Republic (until 31 July)

Carnaro (from 1920)

Central Lithuania (from 1920)

Don (until 1920)

Don (from 1920)

Far Eastern Republic (from 6 April)

Galicia (15 July–21 September)

Galicia (from 1920)

Gilan (from June)

Hutsul Republic

Idel-Ural (until 1920)

Idel-Ural (from 1920

Ireland

Jabal Druze State (from 30 May 1920)

Karelia (from 20 December)

Khorezm (from 26 April)

Khorezm (from January to 30 April)

Khorezm (from 30 April)

Komancza

Provisional Government of the Republic of Korea

Kuban (until 8 March)

Kuban (from 8 March)

Lemko Republic (until March)

Lemko Republic (from March)

North Ingria (until 5 December)

North Ingria (from 5 December)

Perloja

Southern Karelia (May to 20 December)

Syria (until 25 July)

Uhtua (until 19 December)

Ukrainian Socialist Soviet Republic

Other culturals

Buddhism

Esperanto

Pan-African Flag (from 13 August)