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The first Century ended at the end of the year 100.
The second Century ended at the end of the year 200.
The third Century ended at the end of the year 300.
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The seventh Century ended at the end of the year 700.
The eighth Century ended at the end of the year 800.
The year 721 AD was in the eighth Century.
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Earn +20 ptsQ: What century is 721?
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