Editing 236 BC (section)

== Events ==
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=== By place ===
==== Asia Minor ====
* [[Antiochus Hierax]], supported by his mother [[Laodice I]], allies himself with the [[Galatia]]ns ([[Celts]]) and two other states that are traditional foes of the [[Seleucid]] kingdom. With the aid of these forces, he inflicts a crushing defeat on his older brother [[Seleucus II Callinicus|Seleucus II's]] army at [[Ancyra]] in [[Anatolia]]. Seleucus leaves the country beyond the [[Taurus Mountains]] to his brother and the other powers of the peninsula.

==== Egypt ====
* [[Eratosthenes]] is appointed by King [[Ptolemy III of Egypt|Ptolemy III Euergetes]] as head and third librarian of the Alexandrian library.

==== China ====
* King [[Ying Zheng]] of the [[State of Qin]] begins a series of campaigns against the [[State of Zhao]] that will end with Zhao's conquest in 228 BC. The Qin generals [[Huan Yi]] and [[Wang Jian (Qin)|Wang Jian]] seize nine cities in the Yecheng region.

==== Sri Lanka ====
* [[Buddhism]] is introduced to [[Sri Lanka]] by [[Mahinda (Buddhist monk)|Mahinda]], a monk acting on behalf of the late [[Ashoka]]. 
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