dating globes:

The following list of dates can be helpful when dating globes:

back 1817 -  New Holland becomes Australia
1819 - Florida ceded by Spain to US
1831-33  -  discovery of Endrby's Land in antarctic
1846 - Van Dieman's Land becomes Tasmania (so. of Australia)
1856 - Burton and Speke discover Lake Tanganyika
1857 - John Speke discovers Lake Victoria
1867 -  Alaska sold by Russia to US
1868 -  Austro-Hungarian Empire established
1869 - Suez Canal complete
1878 -  Serbia,  Montenegro and Romania independent
1878 -  Cyprus became British
1885 - Congo Free State (Congo Staat)
1891 -  North and South Dakota divided and Indian Territory in Oklahoma
1902 - Boer War ends - Eng. acquires So. African states
1902 -  Cuba independence
1903 -  Panama independence
1905 -  End of the Swedish-Norwegian Union (Norway independent); Sakhalin Island divided between Japan and Russia
1907 -  Eastern Oklahoma was called Indian Territory
1908 -  Bulgaria becomes independent kingdom
1912 -  Albania independent
1914 -  opening of the Panama Canal
1917 -  Finland independence
pre1914 Leningrad was named St. Petersburg
1914 -1924 Leningrad was named Petrograd
1924 -  Leningrad appears
1918 -  Yugoslavia created
1918 -  Austria, Hungary, Poland, Czechoslovakia independence
1920 -  Latvia, Lithuania, Estonia independence
1922 -  Russia changes to Soviet Union
1923 -  Turkey independent
1924 -  Christiana, Norway renamed Oslo
1928 -  Peiping changed to Peking
1929 -  Yugoslavia name change
1930 -  Constantinople becomes Istanbul
1932 -  Saudi Arabia, Iraq independent
1932-45 -  Japan seizes Manchuria; renamed Manchuokuo
1934 -  Italian East Africa merged Somaliland, Eritrea and Ethiopia
1936-41 -  Ethiopia occupied by Italy, renamed Italian East Africa
1935 -  Persia becomes Iran
1937 -  Burma separates from India
1938 -  Germany annexes Austria
1938 -  Bolivia loses Gran Chaco to Paraguay
1939 -  Bohemia (currently Czech Republic) occupied by Germany; Slovakia independent
1939 -  France returns Hatay to Turkey
1941 -  Slovenia divided between Italy and Germany; Croatia independent
1942 -   Ecuador loses Oriente to Peru
1944 -  Lebanon independent
1946 -  Philippines independent from United States
1947 -   India independent; East and West Pakistan created
1948 -  Israel created; Republic of Ireland independent
1953 -  Korea divided into North and South
1953-63 -  Central African Federation
1954 -  Vietnam, Laos and Cambodia independent; Sudan independent
1956 -  Morocco, Tunisia, Sudan independent
1958-61 -  Egypt and Syria united as United Arab Republic
1960 -  French West Africa divides into independent countries and ceases to exist; Congo and Somalia independent
1961 -  Sierra Leone, Tanzania (Tanganyika) independent
1962 -  Uganda, Algeria, Jamaica independent
1963 -  Kenya independent
1964 -  Malawi and Zambia independent; Rhodesia divided
1965 -  Rhodesia independent
1966 -  Botswana and Guyana independent
1971 - Bahrain independent
1975 -  Angola and Mozambique independent