Europe
Austro-Hungarian Empire 1814-1914
Balkans 1800-1913
Britain: Railways 1843 & 1850
1815-1850
Britain: Post Rates 1677 & 1836
1793-1815
1850-1871
1871-1914
1914-1919
1919-1939
1939-1945
1945-1990
Britain: MLOs 1985
Czechoslovakia 1918-1939
Cyprus
After 1990
1650-1793
Allied Zones of Occupation 1945
Axis Powers 1942
German Unification 1815-1871
Dodecanese 1912
Disruption of railway communications 1919
Hungary after 1914
Italian Unification 1850-1870
N.E.Italy 1914-1920
Trieste 1920-1954
Poland 1918-1938
Greece 1830-1922
Netherlands, Belgium & Luxembourg 1815-52
Poland 1938-1945
Russia in Asia
Spanish Civil War 1936-1939
Break-up of Yugoslavia (1991-1997)
Break-up of Russia (1991-1993)

Africa
Colonial Africa 1920-1939
Modern Africa
Algeria 1930
Angola and Belgian Congo
British Central Africa and Nyasaland 1908
British West Africa 1914
Chad and Ubangi-Shari to 1922
Dahomey pre 1920
Horn of Africa 1908
French Congo to 1920
French Equatorial Africa 1922
French Guinea c.1906
French Sudan 1920
French West Africa 1906
French West Africa 1933
Gabon to 1920
Ivory Coast c.1906
Morocco 1919
North West Africa 1919
Nigeria 1901
Cameroons 1920
Rhodesias 1909
South Africa 1910
Senegal 1906
Spanish Guinea 1909
Egypt and Sudan pre 1900
East Africa 1914-18
Gold Coast and Togo 1920
Tunisia pre 1900
East Africa 1904
East Africa 1897
Zanzibar pre 1900

The Americas
The Americas from 1945
South America 1939
USA Postal Expansion 1763-1803
USA to 1847
Western Expansion 1847-1861
American Civil War 1861-1865
USA to 1914
Canada to 1873
Canada to 1900
Canadian TPOs to 1950
British Packets c.1859
French Packets 1865-1939
Central America to 1904
Mexico from 1856

Asia
Arabia to 1944
Aden Town
Asia from 1945
Middle East after 1916
China: Treaty Ports & Foreign PO's
China & Japan to 1942
China: Provinces 1900-1945
French Indo China 1900
India & Burma 1852-1942
Indonesia & Philippines to 1945
Persia & Afghanistan to 1924
Israel 1948-1950
Korea
Malay States to 1943
Malaysia from 1942
Palestine 1918-1948
Persian Gulf (Trucial States)
Turkish Empire 1683-1923
POs in the Turkish Empire

Australasia
South-East Pacific to 1940
Australia, New Zealand & Pacific Is. from 1945
New Guinea & Bismarck Archipelago to 1925
South-West Pacific to 1920
North Pacific to 1919 (inc. Hawaiian Islands)
Australian Commonwealth to 1913
French & German Mailboats 1886-1914
New Zealand to 1907
Samoa to 1920

Indian Ocean
Indian Ocean
Madagascar pre 1900
Mauritius pre 1869
Mauritius from 1869
French Steamers to 1888
French Steamers from 1888
Reunion pre 1900
Seychelles pre 1901

Antarctica
Antarctica to 1963