Sovereign-state flags in 1919

Sovereign states

Afghanistan (from 8 August)

Albania

Andorra - variant

Andorra - variant

Argentina

Armenia

Asir

Australia

Austria

Azerbaijan

Belgium

Bolivia

Brazil

Bulgaria

Canada

Chile

China

Colombia

Costa Rica

Cuba

Czechoslovakia

Denmark

Dominican Republic

Ecuador

El Salvador

Republic of Estonia

Commune of the Working People of Estonia

Ethiopia

Finland

France

Georgia

Germany

Greece

Guatemala

Ha'il

Haiti

Hejaz

Honduras

Hungary (until 21 March, from 1 to 8 August)

Hungary (from 21 March to 1 August)

Hungary (from 8 August)

Iceland

Italy

Japan

Republic of Latvia

Latvian Socialist Soviet Republic

Liberia

Liechtenstein

Lithuania

Lithuanian Soviet Socialist Republic

Luxembourg

Mexico

Monaco

Mongolia (until October)

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

Kingdom of Serbs, Croats and Slovenes

Siam

South Africa

Spain

Sweden

Switzerland

Tibet

United Kingdom

United States

Upper Asir

Uruguay

Venezuela

Yemen

Colonies, concessions, possessions, protectorates, mandates and territories

Territory of New Guinea (Australia)

Norfolk Island (Australia)

Papua (Australia)

Belgian Congo (Belgium)

Ruanda-Urundi (Belgium)

Tianjin (Belgium)

Greenland (Denmark)

Anglo-Egyptian Sudan (Egypt and United Kingdom)

French Algeria (France)

French Cameroon (France)

French Equatorial Africa (France)

French Guiana (France)

French India (France)

French Indochina (France)

Autonomous Province of Korçë (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)

German New Guinea (until 28 June; Germany)

German Samoa (Germany)

German South-West Africa (until 28 June; Germany)

Amoy (Italy)

Italian Cyrenaica (Italy)

Italian Eritrea (Italy)

Italian Somaliland (Italy)

Italian Tripolitania (Italy)

Shanghai (Italy)

Tientsin (Italy)

Chongqing (Japan)

Japanese Korea (Chōsen) (Japan)

Hangzhou (Japan)

Hankou (Japan)

Karafuto (Japan)

Kwantung (Japan)

Shashi (Japan)

South Seas Mandate (Japan)

Suzhou (Japan)

Taiwan (Japan)

Isla de la Pasión (Mexico)

Curaçao and Dependencies (Netherlands)

Dutch East Indies (Netherlands)

Surinam (Netherlands)

Cook Islands (New Zealand)

Niue (New Zealand)

Sverdrup Islands (Norway)

North Caucasian Emirate (from September; 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 (Russia)

Khiva (Russia)

Abkhaz Autonomous Soviet Socialist Republic (from 1919; Soviet Union)

Tientsin (Soviet Union)

Uryankhay Krai (Soviet Union)

Elobey, Annobón, and Corisco (Spain)

Fernando Poo (Spain)

Río Muni (Spain)

Spanish Morocco (Spain)

Spanish North Africa (Spain)

Spanish Sahara (Spain)

South West Africa (South Africa)

Aden (United Kingdom)

Afghanistan (until February; United Kingdom)

Afghanistan (until 8 August; 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 Ceylon (United Kingdom)

British Cyprus (United Kingdom)

British East Africa (United Kingdom)

British Guiana (until 1919; United Kingdom)

British Guiana (from 1919; United Kingdom)

British Honduras (until 1919; United Kingdom)

British Honduras (from 1919; United Kingdom)

British Hong Kong (United Kingdom)

British Jamaica (United Kingdom)

British Leeward Islands (United Kingdom)

British Mauritius (United Kingdom)

British Somaliland (United Kingdom)

British Togoland (United Kingdom)

British Trinidad and Tobago (United Kingdom)

British Western Pacific Territories (United Kingdom)

British Windward Islands (United Kingdom)

Brunei (United Kingdom)

Egypt (United Kingdom)

Falkland Islands (United Kingdom)

Federated Malay States (United Kingdom)

Gambia (United Kingdom)

Gibraltar (United Kingdom)

Gold Coast (United Kingdom)

Graham Land (until 1919; United Kingdom)

Guernsey (United Kingdom)

Hankou (United Kingdom)

Heard Island and McDonald Islands (United Kingdom)

India (United Kingdom)

Isle of Man (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)

Nepal (United Kingdom)

Nigeria (United Kingdom)

North Borneo (United Kingdom)

Northern Rhodesia (United Kingdom)

Nyasaland (until 1919; United Kingdom)

Nyasaland (from 1919; United Kingdom)

Perlis (United Kingdom)

Qatar (United Kingdom)

Rhodesia (United Kingdom)

Saint Helena (United Kingdom)

Sarawak (United Kingdom)

Seychelles (United Kingdom)

Sierra Leone (United Kingdom)

Sikkim (United Kingdom)

South Orkney Islands (United Kingdom)

South Shetland Islands (United Kingdom)

Straits Settlements (United Kingdom)

Suez Canal (United Kingdom)

Swaziland (United Kingdom)

Tanganyika (United Kingdom)

Terengganu (United Kingdom)

Tientsin (United Kingdom)

Tristan da Cunha (United Kingdom)

Trucial States (United Kingdom)

Uganda (United Kingdom)

Union Islands (United Kingdom)

Victoria Land (United Kingdom)

Weihai (United Kingdom)

Zanzibar (United Kingdom)

Zhenjiang (United Kingdom)

Alaska (United States)

American Samoa (United States)

Bajo Nuevo Bank (United States)

Corn Islands (United States)

Guam (United States)

Hawaii (United States)

Howland Island (United States)

Johnston Atoll (United States)

Kingman Reef (United States)

Middlebrook Island (United States)

Midway Atoll (United States)

Navassa Island (United States)

Panama Canal Zone (United States)

Philippine Islands (United States)

Puerto Rico (United States)

Quita Sueño 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)

Wake Island (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

Constituent U.S. states

Alabama

Arizona

Arkansas

California

Colorado

Connecticut

Delaware

Florida

Georgia

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

Alash

Alchensk (until 1919)

Alchensk (from 1919)

Altai

Aras

Banat Republic

Bavaria

Belarus (1 January–27 February)

Bottleneck (from 10 January)

Byelorussian-Lithuanian Soviet Socialist Republic (from 27 February)

Crimea

Don

Hutsul Republic (from 8 January)

Idel-Ural

Ireland (from 21 January)

Kars Republic

Komancza (until 20 April)

Komancza (from 20 April)

Provisional Government of the Republic of Korea (from 1 March)

Kuban

Lemko Republic

Lithuanian Soviet Socialist Republic (until 27 February)

North Ingria (from 9 June)

Perloja (until 1919)

Perloja (from 1919)

Prekmurje (28 April to 5 May)

Saxony

Slovakia (16 June–7 July)

Syria (from 1919)

Tarnobrzeg (until 1919)

Tripolitania

Uhtua

Ukrainian People's Republic (until 10 March)

West Ukrainian People's Republic (until 1919)

Würzburg (7–9 April)

Zakopane (until 1919)

shanxi chique

Ma chinque

[[Image:{{{Image}}}|border|400x100px|Yunann chique]] Yunann chique

Other culturals

Buddhism

Esperanto