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Nauru (Australia)
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New Guinea (Australia)
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Norfolk Island (Australia)
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Papua (Australia)
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Belgian Congo (Belgium)
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Ruanda-Urundi (Belgium)
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Tientsin (Belgium)
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Faroe Islands (Denmark)
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Greenland (Denmark)
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Anglo-Egyptian Sudan (Egypt and United Kingdom)
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Alawite (France)
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French Cameroon (France)
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French Equatorial Africa (France)
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French Guiana (France)
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French India (France)
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French Indochina (France)
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French Madagascar (France)
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French Morocco (France)
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French Oceania (France)
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French Somaliland (France)
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French Tunisia (France)
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French West Africa (France)
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Guadeloupe (France)
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Inini (France)
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Lebanon (France)
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Martinique (France)
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New Caledonia (France)
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New Hebrides (France)
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Saar (France and the United Kingdom)
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Saint Pierre and Miquelon (France)
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Souaida (until 1 June; France)/Jabal ad-Druze (from 1 June; France)
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Syria (France)
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Asir (until mid-1927; Nejd and Hejaz)
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Asir (from mid-1927; Nejd and Hejaz)
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Italian Cyrenaica (Italy)
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Italian Eritrea (Italy)
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Italian Somaliland (Italy)
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Italian Tripolitania (Italy)
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Tientsin (Italy)
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Karafuto (Japan)
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Korea (Japan)
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Kwantung (Japan)
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South Seas Mandate (Japan)
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Taiwan (Japan)
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Tientsin (Japan)
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Isla de la Pasión (Mexico)
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Curaçao and Dependencies (Netherlands)
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Dutch East Indies (Netherlands)
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Surinam (Netherlands)
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Cook Islands (New Zealand)
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Niue (New Zealand)
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Ross Dependency (New Zealand)
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Union Islands (New Zealand)
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Western Samoa (New Zealand)
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Bouvet Island (from 23 January; Norway)
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Sverdrup Islands (Norway)
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Fort of São João Baptista de Ajudá (Portugal)
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Portuguese Cape Verde (Portugal)
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Portuguese Macau (Portugal)
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Portuguese East Africa (Portugal)
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Portuguese Guinea (Portugal)
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Portuguese India (Portugal)
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Portuguese Timor (Portugal)
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Portuguese West Africa (Portugal)
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Portuguese São Tomé and Príncipe (Portugal)
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South West Africa (South Africa)
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Spanish Guinea (Spain)
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Spanish Morocco (Spain)
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Spanish Sahara (Spain)
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Bahamas (United Kingdom)
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Bahrain (United Kingdom)
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Baker Island (United Kingdom)
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Barbados (United Kingdom)
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Basutoland (United Kingdom)
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Bechuanaland (United Kingdom)
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Bermuda (United Kingdom)
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Bhutan (United Kingdom)
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British Cameroons (United Kingdom)
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British Guiana (United Kingdom)
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British Honduras (United Kingdom)
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British Leeward Islands (United Kingdom)
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British Somaliland (United Kingdom)
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British Togoland (United Kingdom)
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British Western Pacific Territories (United Kingdom)
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British Windward Islands (United Kingdom)
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Brunei (United Kingdom)
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Ceylon (United Kingdom)
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Cyprus (United Kingdom)
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Enderby Land (United Kingdom)
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Falkland Islands (United Kingdom)
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Federated Malay States (United Kingdom)
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Gambia (United Kingdom)
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Gibraltar (United Kingdom)
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Gold Coast (United Kingdom)
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Guernsey (United Kingdom)
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Heard Island and McDonald Islands (United Kingdom)
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Hong Kong (United Kingdom)
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India (United Kingdom)
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Iraq (United Kingdom)
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Isle of Man (United Kingdom)
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Jamaica (United Kingdom)
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Jarvis Island (United Kingdom)
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Jersey (United Kingdom)
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Johor (United Kingdom)
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Kedah (United Kingdom)
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Kelantan (United Kingdom)
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Kenya (United Kingdom)
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Kuwait (United Kingdom)
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Maldives (United Kingdom)
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Malta (United Kingdom)
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Mauritius (United Kingdom)
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Muscat and Oman (United Kingdom)
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Nigeria (United Kingdom)
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North Borneo (United Kingdom)
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Northern Rhodesia (United Kingdom)
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Nyasaland (United Kingdom)
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Palestine (United Kingdom)
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Perlis (United Kingdom)
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Qatar (United Kingdom)
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Saint Helena and Dependencies (United Kingdom)
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Sarawak (United Kingdom)
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Seychelles (United Kingdom)
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Sierra Leone (United Kingdom)
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Southern Rhodesia (United Kingdom)
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Straits Settlements (United Kingdom)
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Swaziland (United Kingdom)
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Tanganyika (United Kingdom)
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Terengganu (United Kingdom)
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Transjordan (United Kingdom)
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Trinidad and Tobago (United Kingdom)
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Trucial States (United Kingdom)
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Uganda (United Kingdom)
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Victoria Land (United Kingdom)
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Zanzibar (United Kingdom)
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Alaska (until 2 May; United States)
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Alaska (from 2 May; United States)
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American Samoa (United States)
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Baker Island (United States)
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Corn Islands (United States)
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Guam (United States)
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Hawaii (United States)
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Howland Island (United States)
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Johnston Atoll (United States)
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Kingman Reef (United States)
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Midway Atoll (United States)
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Navassa Island (United States)
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Palmyra Atoll (United States)
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Panama Canal Zone (United States)
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Petrel Islands (United States)
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Philippines (United States)
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Puerto Rico (United States)
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Quita Sueno Bank (United States)
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Roncador Bank (United States)
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Serrana Bank (United States)
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Serranilla Bank (United States)
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Swan Islands (United States)
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United States Virgin Islands (United States)
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Wake Island (United States)