BRITISH INDIAN OCEAN TERRITORY
1512 - 1521
Ilha de Dom Garcia (claimed for Portugal)
1521 - 1578
(from 1559 named Diego Garcia)
1578 - 1640
1640 - 1667
1667 - 1707
1707 - 1721
1721 - 1765
Claimed for France
1765 - 1789
1789 - 1794
1794 -1810
1810 - 1903
Oil Islands (Part of British colony of Seychelles)
1903 - 1906
Chagos Archipelago (part of Mauritius)
1906 - 1923
1923 - 1965
1965 - 1970
British Indian Ocean Territory (part of Seychelles)
1970 - 1976
1976 - 1990
British Indian Ocean Territory (British colony)
