Capital Cities

What Turkish city has been the capital of three major empires: Roman, Byzantine and Ottoman?

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What is the capital of Equatorial Guinea?
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Reykjavik is the capital of which country?
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What is the capital of Mexico?
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Minsk became the capital of what independent nation in 1991?
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Kuala Lumpur is the capital of which southeast Asian nation?
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Port Louis is the capital of which country?
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Which country with a total area of 41,526 square kilometers has Amsterdam as its capital city?
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According to the U.N. in 2001, which of these capital cities proper had the largest population?
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