View source for 539 BC

{{Unreferenced|date=October 2025}}{{Year nav|-539}}
{{BC year in topic|539}}

The year '''539 BC''' was a year of the [[Roman calendar|pre-Julian Roman calendar]]. In the [[Roman Empire]], it was known as '''year 215 '' [[Ab urbe condita]]'''''. The denomination 539 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 ===
[[File:Cyrus Cylinder.jpg|thumb|The Cyrus cylinder: a contemporary [[cuneiform script]] proclaims [[Cyrus the Great]] as legitimate king of Babylon.]]

==== Near East ====
* [[September 25]]&ndash;[[September 28|28]]? &ndash; [[Battle of Opis]]: Troops of the Persian [[Achaemenid Empire]] under [[Cyrus the Great]] decisively defeat those of the [[Neo-Babylonian Empire]].
* [[October 29]] &ndash; [[Fall of Babylon]]: Achaemenid troops under [[Gobryas (general)|Gobryas]] enter [[Babylon]] unopposed. Cyrus enters the city, incorporating the Neo-Babylonian Empire into the Achaemenid Empire and turning the latter into the largest in the history of the world up until that point.

== Births ==

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== Deaths ==
* [[Nabonidus]], last king of Babylon
* [[Belshazzar]], co-regent of Babylon

== References ==
{{reflist}}

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[[Category:539 BC| ]]


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