521 BC

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The year 521 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 233 Ab urbe condita. The denomination 521 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

By place

Persian Empire

Darius I succeeded Gaumata as ruler of Persia.

Births

Leonidas I. King of Sparta

Deaths

March – Cambyses, ruler of ancient Persia (suicide)
October – Gaumata, ruler of ancient Persia

References

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