Sovereign-state flags in 1899

Sovereign states

Abuja (until date unknown)

Aceh Sultanate

Acre (from 4 April)

Agadez

Andorra

Angoche

Ankole

Argentina

Aro

Ashanti

Aussa

Austria-Hungary

Bali

Barotseland (until 28 November)

Belgium

Bhutan

Bima Sultanate

Biu

Bolivia

Brakna

Brazil

Bulgaria

Bunyoro (until date unknown)

Busoga

Canada

Chile

China

Colombia

Congo

Costa Rica

Darfur

Deli Sultanate

Dendi

Denmark

Dhala

Dominican Republic

Ecuador

El Salvador

Ethiopia

France

Geledi

German Empire

Greece

Guatemala

Gumma

Haiti

Honduras

Igala

Igara

Ilé-Ifẹ̀

Italy

Japan

Johor Sultanate

Kajara

Kano

Kasanje

Kebbi

Korea (until 30 June)

Korea (from 30 June)

Lafia Beri-Beri

Liberia

Liechtenstein

Luxembourg

Matabeleland (until date unknown)

Mbunda

Mexico

Monaco

Montenegro

Morocco

Muscat and Oman

Mutayr

Netherlands

Nicaragua

Niue

Norway

Orange Free State

Orungu (until date unknown)

Ottoman Empire

Paraguay

Paraguay (reverse)

Pattani

Persia

Peru

Philippines (from 23 January)

Portugal

Potiskum

Riau-Lingga Sultanate

Romania

Rujumbura

Rukiga

Russia

Samoa

San Marino

Serbia

Setul Mambang Segara

Siam

Sokoto

Spain

Sultanate of Bone

Sultanate of Buton

Sultanate of Gowa

Sulu

Swaziland

Sweden

Switzerland

Tagant

Tonga

Transvaal

Trarza

United Kingdom

United States

Upper Aulaqi Sheikhdom

Upper Aulaqi Sultanate

Upper Yafa

Uruguay

Venezuela

Wadai

Wajoq

Wukari

Constituent U.S. states

Alabama

Arkansas

California

Colorado

Connecticut

Delaware

Florida

Georgia

Idaho

Illinois

Indiana (until 23 August)

Indiana (from 23 August)

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Hampshire

New Jersey

New York

North Carolina

North Dakota

Ohio

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming

Reduce states

Colony of Benin (until 1 February)

Colonies, concessions, possessions, protectorates, mandates and territories

Danish West Indies (Denmark)

Faroe Islands (Denmark)

Greenland (Denmark)

Iceland (Denmark)

Anglo-Egyptian Sudan (from 19 June; Egypt and United Kingdom)

French Algeria (France)

French Comoros (France)

French Congo (France)

French Guiana (France)

French India (France)

French Indochina (France)

French Ivory Coast (France)

French Madagascar (France)

French Polynesia (France)

French Somaliland (France)

French Tunisia (France)

French West Africa (France)

Gambier Islands (France)

Guadeloupe (France)

Guangzhouwan (France)

Hankou (France)

Laos (until 19 April; France)

Martinique (France)

New Caledonia (France)

Réunion (France)

Saint Pierre and Miquelon (France)

Shanghai (France)

Tientsin (France)

Wallis and Futuna (France)

German East Africa (Germany)

German Kiautschou (Germany)

German New Guinea (Germany)

German South West Africa (Germany)

Hankou (Germany)

Kamerun (Germany)

Tientsin (Germany)

Togoland (Germany)

Italian Eritrea (Italy)

Italian Somaliland (Italy)

Chongqing (Japan)

Hangzhou (Japan)

Hankou (Japan)

Shashi (Japan)

Suzhou (Japan)

Taiwan (Japan)

Tientsin (Japan)

Isla de la Pasión (Mexico)

Curaçao and Dependencies (Netherlands)

Dutch East Indies (Netherlands)

Surinam (Netherlands)

Sverdrup Islands (Norway)

Crete (Ottoman Empire)

Egypt (Ottoman Empire)

Kuwait (until 17 January; Ottoman Empire)

Mecca (Ottoman Empire)

Qatar (Ottoman Empire)

Samos (Ottoman Empire)

Portuguese Cape Verde (Portugal)

Kongo (Portugal)

Portuguese East Africa (Portugal)

Portuguese Guinea (Portugal)

Portuguese India (Portugal)

Portuguese Macau (Portugal)

Portuguese São Tomé and Príncipe (Portugal)

Portuguese Timor (Portugal)

Portuguese West Africa (Portugal)

Fort of São João Baptista de Ajudá (Portugal)

Andijan (Russia)

Bukhara (Russia)

Khiva (Russia)

Finland (Russia)

Poland (Russia)

American Samoa (until 2 December; Samoa)

Champasak (from 1899; Siam)

Elobey, Annobón, and Corisco (Spain)

Fernando Po (Spain)

Río Muni (Spain)

Spanish North Africa (Spain)

Spanish Sahara (Spain)

Aden (United Kingdom)

Afghanistan (United Kingdom)

Amoy (United Kingdom)

Ascension Island (United Kingdom)

Australia (United Kingdom)

Bahamas (United Kingdom)

Bahrain (United Kingdom)

Baker Island (United Kingdom)

Barbados (United Kingdom)

Barotseland (until 28 November; United Kingdom)

Barotziland–North-Western Rhodesia (from 28 November; United Kingdom)

Basutoland (United Kingdom)

Bechuanaland (United Kingdom)

Bermuda (United Kingdom)

British Central Africa (United Kingdom)

British Ceylon (United Kingdom)

British Cyprus (United Kingdom)

British East Africa (United Kingdom)

British Guiana (United Kingdom)

British Honduras (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 Trinidad and Tobago (United Kingdom)

British Western Pacific Territories (United Kingdom)

British Windward Islands (United Kingdom)

Brunei (United Kingdom)

Cape Colony (United Kingdom)

Colony of Natal (United Kingdom)

Cook Islands Federation (United Kingdom)

Falkland Islands Dependencies (United Kingdom)

Federated Malay States (United Kingdom)

Friendly Islands (United Kingdom)

Gambia (United Kingdom)

Gibraltar (United Kingdom)

Gold Coast (United Kingdom)

Graham Land (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)

Kedah (United Kingdom)

Kelantan (United Kingdom)

Kuwait (from 17 January; United Kingdom)

Lagos (United Kingdom)

Maldives (United Kingdom)

Malta (United Kingdom)

Muscat and Oman (United Kingdom)

Nepal (United Kingdom)

Newfoundland (United Kingdom)

New South Wales (United Kingdom)

New Zealand (United Kingdom)

Niger Coast (until 31 December; United Kingdom)

Niger Districts (United Kingdom)

North Borneo (United Kingdom)

New Guinea (United Kingdom)

Papua (United Kingdom)

Perlis (United Kingdom)

Queensland (United Kingdom)

Rhodesia (United Kingdom)

Saint Helena (United Kingdom)

Sarawak (United Kingdom)

Seychelles (United Kingdom)

Sierra Leone (United Kingdom)

Sikkim (United Kingdom)

South Australia (United Kingdom)

Straits Settlements (United Kingdom)

Suez Canal (United Kingdom)

Tasmania (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 (United Kingdom)

Victoria Land (United Kingdom)

Weihai (United Kingdom)

Western Australia (United Kingdom)

Zanzibar (United Kingdom)

Zhenjiang (United Kingdom)

Alaska (United States)

American Samoa (from 2 December; United States)

Arizona (United States)

Bajo Nuevo Bank (United States)

Cuba (United States)

Guam (United States)

Hawaii (United States)

Howland Island (United States)

Indian Territory (United States)

Johnston Atoll (United States)

Kingman Reef (United States)

Middlebrook Island (United States)

Midway Atoll (United States)

Navassa Island (United States)

New Mexico (United States)

Oklahoma (United States)

Palmyra Atoll (United States)

Philippine Islands (United States)

Puerto Rico (from 11 April; United States)

Quita Sueño Bank (United States)

Roncador Bank (United States)

Serrana Bank (United States)

Serranilla Bank (United States)

Swan Islands (United States)

Tientsin (United States)

Wake Island (from 17 January; United States)

Other entities

Cruzob

Dervish State

Jungle Nation (from 27 February)

Negros

Other culturals

Buddhism