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Flags.net
Flags.net is a database of current and historical flags for countries, political subdivisions, organizations, and the like. Flags can be searched with virtually any criteria, from the name of a country to their colors.
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Flags of the World: Index to Flags of the World
Contains a link to the flag of every country in the world. Each contains a picture of the flag and helpful supplemental information. Use for easy research on the flags of the world.