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Modern Country
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Past Country
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Afghanistan
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Durrani Empire
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Albania
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Ottoman Empire
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Algeria
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French Algeria
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Andorra
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First French Empire
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Angola
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Portuguese West Africa/Portuguese Angola
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Antigua and Barbuda
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British Federation of the West Indies
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Argentina
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Spanish Argentina
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Armenia
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USSR
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Australia
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British Australia
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Austria
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Austro-Hungarian Empire
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Azerbaijan
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USSR
|
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Bahamas
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British Bahamas
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Bahrain
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British Bahrain
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Bangladesh
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East Pakistan
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Barbados
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British Barbados
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Belarus
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USSR
|
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Belgium
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Kingdom of Netherlands
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Belize
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British Honduras
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Benin
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French Dahomey
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Bhutan
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British Bhutan
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Bolivia
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Spanish Bolivia
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Bosnia and Herzegovina
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Yugoslavia
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Botswana
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British Bechuanaland
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Brazil
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Portuguese Brazil
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Brunei
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British Brunei/Sultanate of Brunei
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Bulgaria
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Ottoman Empire
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Burkina Faso
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French Upper Volta
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Burundi
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Belgian Ruanda-Urundi
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Cape Verde
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Portuguese Cape Verde
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Cambodia
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French Indochina
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Cameroon
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British Cameroon/French Cameroon
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Canada
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British Canada/British Newfoundland
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Central African Republic
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French Ubangi-Sciari
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Chad
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French Chad
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Chile
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Spanish Chile
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China
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Republic of China
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Colombia
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Gran Colombia
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Comoros
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French Comoros
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Rep. of the Congo
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French Congo
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D.R. Congo
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Belgian Congo
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Costa Rica
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Federation of Central America
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Croatia
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Yugoslavia
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Cuba
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American Cuba
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Cyprus
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British Cyprus
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Czech Republic
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Czechoslovakia
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Denmark
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Denmark-Norway
|
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Djibouti
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French Somali Coast
|
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Dominica
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British Dominica
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Dominican Republic
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Haiti
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East Timor
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Indonesia
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Ecuador
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Gran Colombia
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Egypt
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United Arab Republic
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El Salvador
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Federation of Central America
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Equatorial Guinea
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Spanish Guinea
|
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Eritrea
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Ethiopia
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Estonia
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USSR
|
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Eswatini
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British Swaziland
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Ethiopia
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Italian Ethiopia
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Fiji
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British Fiji
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Finland
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Russian Empire
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France
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Vichy France
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Gabon
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French Gabon
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Gambia
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British Gambia
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Georgia
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USSR
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Germany
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West Germany| East Germany
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Ghana
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British Gold Coast
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Greece
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Kingdom of Greece
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Grenada
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British Grenada
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Guatemala
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Federation of Central America
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Guinea
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French Guinea
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Guinea Bissau
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Portuguese Guinea
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Guyana
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British Guyana
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Haiti
|
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French Haiti
|
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Honduras
|
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Federation of Central America
|
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Hungary
|
|
Austro-Hungarian Empire
|
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Iceland
|
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Kingdom of Denmark
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India
|
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British Raj
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Indonesia
|
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Dutch East Indies
|
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Iran
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Persia
|
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Iraq
|
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British Mandate of Mesopotamia
|
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Ireland
|
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Great Britain Mainland
|
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Israel
|
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British Mandatory Palestine
|
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Italy
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Kingdom of Italy
|
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Ivory Coast
|
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British Ivory Coast
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Jamaica
|
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British Jamaica
|
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Japan
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Japanese Empire
|
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Jordan
|
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British Transjordan
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Kazakhstan
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USSR
|
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Kenya
|
|
British Kenya
|
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Kiribati
|
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British Gilbert Islands
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Kosovo
|
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Serbia
|
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Kuwait
|
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Iraq
|
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Kyrgyzstan
|
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USSR
|
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Laos
|
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French Indochina
|
|
Latvia
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USSR
|
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Lebanon
|
|
French mandate in Syria and Lebanon
|
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Lesotho
|
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British Basutoland
|
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Libya
|
|
Italian Libya
|
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Liechtenstein
|
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German Confederation
|
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Lithuania
|
|
USSR
|
|
Luxembourg
|
|
Kingdom of Netherlands
|
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Madagascar
|
|
French Madagascar
|
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Malawi
|
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British Nyasaland
|
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Malaysia
|
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Federation of Malaysia | British Singapore| British Sarawak| British North Borneo
|
|
Maldives
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British Raj
|
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Mali
|
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French Sudan
|
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Malta
|
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British Malta
|
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Marshall Islands
|
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Trust Territory of the Pacific Islands
|
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Mauritania
|
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French Mauritania
|
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Mauritius
|
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British Mauritius
|
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Mexico
|
|
Mexican Empire
|
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Micronesia
|
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Trust Territory of the Pacific Islands
|
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Moldova
|
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USSR
|
|
Monaco
|
|
Republic of Genoa
|
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Mongolia
|
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Khanate of Mongolia/Republic of China
|
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Montenegro
|
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Serbia and Montenegro
|
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Morocco
|
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French Morocco/Spanish Morocco/ Spanish Sahara
|
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Mozambique
|
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Portuguese East Africa/ Portuguese Mozambique
|
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Myanmar
|
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British Raj
|
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Namibia
|
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South West Africa (Union of South Africa)
|
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Nauru
|
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Australian Nauru
|
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Nepal
|
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Malla Dynasty
|
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Netherlands
|
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First French Empire
|
|
New Zealand
|
|
British New Zealand
|
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Nicaragua
|
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Federal Republic of Central America
|
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Niger
|
|
French Niger
|
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Nigeria
|
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British Nigeria
|
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North Macedonia
|
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Yugoslavia
|
|
North Korea
|
|
Japanese Korea
|
|
Norway
|
|
Sweden-Norway
|
|
Oman
|
|
Muscat and Oman
|
|
Pakistan
|
|
British Raj
|
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Palau
|
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Trust Territory of the Pacific Islands
|
|
Panama
|
|
Gran Colombia
|
|
Papua New Guinea
|
|
British Territory of Papua/ British Territory of New Guinea
|
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Paraguay
|
|
Spanish Paraguay
|
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Perù
|
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Spanish Peru
|
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Philippines
|
|
American Philippines
|
|
Poland
|
|
Russian Empire/German Empire/ Austro-Hungarian Empire
|
|
Portugal
|
|
Kingdom of Portugal
|
|
Qatar
|
|
British Qatar
|
|
Romania
|
|
Kingdom of Romania
|
|
Russia
|
|
USSR
|
|
Rwanda
|
|
Belgian Ruanda-Urundi
|
|
Saint Kitts and Nevis
|
|
Saint-Christoper-Nevis-Anguilla
|
|
Saint Lucia
|
|
British Saint Lucia
|
|
Saint Vincent and the Grenadines
|
|
British Saint Vincent and the Grenadines
|
|
Samoa
|
|
New Zealand
|
|
San Marino
|
|
Roman Empire (Traditional)/ Papal State (Recognized)
|
|
São Tomé e Príncipe
|
|
Portuguese São Tomé e Príncipe
|
|
Saudi Arabia
|
|
Kingdom of Neged and Hejaz
|
|
Senegal
|
|
Federation of Mali
|
|
Serbia
|
|
Serbia and Montenegro
|
|
Seychelles
|
|
British Seychelles
|
|
Sierra Leone
|
|
British Sierra Leone
|
|
Singapore
|
|
Malaysia
|
|
Slovakia
|
|
Czechoslovakia
|
|
Slovenia
|
|
Yugoslavia
|
|
Solomon Islands
|
|
British Solomon Islands
|
|
Somalia
|
|
State of Somaliland/ Italian Trust Territory of Somaliland
|
|
South Africa
|
|
Union of South Africa
|
|
South Korea
|
|
Japanese Korea
|
|
South Sudan
|
|
Sudan
|
|
Spain
|
|
Kingdom of Spain
|
|
Sri Lanka
|
|
British Ceylon
|
|
Sudan
|
|
Anglo-Egyptian Sudan
|
|
Suriname
|
|
Dutch Suriname
|
|
Sweden
|
|
Sweden-Norway
|
|
Switzerland
|
|
Holy Roman Empire
|
|
Syria
|
|
French mandate in Syria and Lebanon
|
|
Tajikistan
|
|
USSR
|
|
Tanzania
|
|
Tanganyika/Zanzibar
|
|
Thailand
|
|
Kingdom of Siam
|
|
Togo
|
|
British Togoland/French Togoland
|
|
Tonga
|
|
British Tonga
|
|
Trinidad and Tobago
|
|
British Trinidad and Tobago
|
|
Tunisia
|
|
French Tunisia
|
|
Turkey
|
|
Ottoman Empire
|
|
Turkmenistan
|
|
USSR
|
|
Tuvalu
|
|
British Ellice Islands
|
|
Uganda
|
|
British Uganda
|
|
Ukraine
|
|
USSR
|
|
United Arab Emirates
|
|
Trucial States
|
|
United Kingdom
|
|
British Empire
|
|
United States
|
|
British Thirteen Colonies
|
|
Uruguay
|
|
Spanish Uruguay
|
|
Uzbekistan
|
|
USSR
|
|
Vanuatu
|
|
New Hebrides Condominium
|
|
Vatican City
|
|
Papal State
|
|
Venezuela
|
|
Gran Colombia
|
|
Vietnam
|
|
North Vietnam/South Vietnam
|
|
Yemen
|
|
North Yemen/South Yemen
|
|
Zambia
|
|
British Northern Rhodesia
|
|
Zimbabwe
|
|
British Southern Rhodesia
|
