Editing 521 BC

{{Year nav|-521}}
{{BC year in topic|521}}

The year '''521 BC''' was a year of the [[Roman calendar|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]]. [[Monarch|King]] of [[Sparta]]

== Deaths ==
* March &ndash; [[Cambyses II|Cambyses]], ruler of ancient [[Persia]] (suicide)
* October &ndash; [[Gaumata]], ruler of ancient [[Persia]]

== References ==
{{reflist}}

{{DEFAULTSORT:521 Bc}}
[[Category:521 BC| ]]
[[Category:520s BC]]


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