100 pts!!! put these in order pls

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27 BC
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- Rome became an empire, ruled by the first emperor, Caesar Augustus.
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395 AD
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- The Roman Empire was split into two separate empires by Emperor
Diocletian.
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410 AD
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- The city of Rome was conquered by barbarians.
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509 BC
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- Rome became a republic and was ruled by senators.
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306 AD
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- Constantine became emperor. He was later responsible for legalizing
Christianity in the empire.
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753 BC
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- Romulus founded the city of Rome and became its first king.
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45 BC
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- Julius Caesar became the first dictator of Rome.
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80 AD
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- The Colosseum was completed, becoming one of the greatest examples
of Roman architecture.
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476 AD
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- The Western Empire finally fell, plunging Europe into the Dark Ages.