1840 to 1870 1871 to 1899 1900 to 1949 1950 to Date 1840 Great Britain 1871 Hungary 1900 Caroline Islands 1950 Comoro Islands 1843 Brazil 1872 Germany 1902 Penrhyn 1950 Indonesia, United States of 1847 [Mauritius] 1873 Iceland 1903 East Africa and Uganda Protectorates 1951 Cambodia 1847 United States 1873 Surinam 1903 St. Kitts Nevis 1951 UN, New York 1849 Belgium 1876 Montserrat 1907 Middle Congo 1951 Vietnam 1849 France 1877 Cape Verdi 1907 Solomon Is 1952 Trista da Cunha 1850 Austria 1877 San Marino 1909 Italy-Off in Constantinople 1954 Cyprus Republic 1850 Prussia 1878 Falkland Islands 1910 South Africa 1954  Indian Forces in Indo-China 1850 Spain 1879 Tobago 1912 Liechtenstein 1955 Rhodesia & Nyassaland 1851 Canada 1883 North Borneo 1912 Tibet 1956 Christmas Island 1851 [Hawaii] 1883 Thailand 1913 Australia 1956 Morocco 1851 Denmark 1885 Monaco 1913 Trinidad & Tobego 1956 Morocco N Zone 1852 Luxembourg 1885 Timor 1914 Nigeria 1957 Malayan Federation 1852 Oldenburg 1886 Belgian Congo 1915 Libya 1957 Qatar 1852 Netherlands 1886 Gibraltar 1915 Ubangi-Shari-Chad 1958 Isle of Man 1852 Roman States 1886 Indore 1916 Nauru 1958 Northern Ireland 1852 Thurn & Taxis 1886 Tonga 1918 Czechoslovakia 1958 Scotland 1853 Cape of Good Hope 1888 Zululand 1918 Estonia 1958 Wales & Mon 1853 Portugal 1890 Leeward Is 1918 Ukraine 1959 Australian Antartic Territories 1855 Cuba 1890 Rhodesia 1919 Armenia 1959 Central Africa Rep 1855 Norway 1890 Seychelles 1919 Azerbaijan 1960 Katanga 1856 St Helena 1892 Anjouan 1919 Batum 1960 Rio Mundi 1858 Argentina 1892 Cook Island 1920 Burkina Faso (Upper Volta) 1961 Trucial States 1858 Russia 1892 French India 1920 Central Lithuania 1962 Rwanda 1859 Bulgaria 1892 Horta 1920 Danzig 1962 Burundi 1859 Hamburg 1892 Ivory Coast 1920 Marienwerder 1962 UN, West New Guinea 1859 Romagna (Italian State) 1892 Mayotte 1920 Memel 1963 British Antartic Territories 1859 Sierra Leone 1892 Mozambique Co 1920 North Ingermanland 1963 Cocos Islands 1860 Jamaica 1892 Oil Rivers 1920 Saar 1963 Dubai 1861 Bergedorf 1892 Ponta Delgada 1920 Schleswig 1963 Kenya 1861 Greece 1897 Grand Comoro 1920 Upper Silesia 1963 Sharjah 1862 Antigua 1897 Sudan 1920 Wallis & Futuna 1963 South Arabia 1862 Hong Kong 1899 German POs in Morocco 1922 Barbuda 1963 South Georgia 1862 Nicaragua 1899 Guam 1922 Chad 1964 Abu Dhabi 1863 Costa Rica     1922 Ireland 1964 Ajman 1864 Mecklenburg-Strelitz     1923 Iraq 1964 Åland Is 1865 Bermuda     1924 Algeria 1964 Malawi 1866 British Honduras     1924 Southern Rhodesia 1964 Tanzania 1866 Egypt     1925 New Guinea 1964 Umm Al Qiwin 1866 Honduras     1925 Niger 1964 Zambia 1867 El Salvador     1925 Northern Rhodesia 1965 Rhodesia Self-Governing State 1867 Heligoland     1926 China, Yunnan 1966 Guyana 1867 Straits Settlements     1926 Yemen 1966 Lesotho 1867 Turks Is     1929 Vatican City 1968 Fujeria 1868 North German Confederation     1927 China, Manchuria 1968 Biafra 1868 Orange River Colony     1931 Andorra (FA) 1968 Equatorial Guinea 1869 Sarawak     1931 Latakia 1971 Zaire         1932 Inini 1972 UN, Geneva         1932 Manchukuo 1972 Sri Lanka         1933 Basutoland 1973 Grenada Grenadines         1936 French Equatorial Africa 1973 St Vincent Grenadines         1937 Aden 1976 Tuvalu         1937 Burma 1979 Kiribati         1938 Greenland 1979 UN, Vienna         1938 Italian East Africa 1980 St. Kitts         1939 Hatay 1980 Zimbabwe         1941 Croatia 1984 St Vincent Grenadines, Union Island         1941 Guernsey 1986 British Indian Ocean Terr         1941 Jersey 1986 Aruba         1942 French West Africa 1991 Moldova         1942 China. Taiwan 1991 Slovenia         1944 French West Africa 1992 Belarus         1944 South Orkneys 1992 Kazakhstan         1945 China. Taiwan 1992 Macedonia         1946 China, NE Provinces 1992 Tajakistan         1947 Norfolk Island 1992 Uzbekistan         1947 Pakistan 1993 Czech Republic         1948 Israel 1993 Slovakia         1948 Singapore 2001 England         1948 Tokelau Is 2003 Serbia and Montenegro