Editing 145 BC (section)

== Events ==
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=== By place ===
==== Syria ====
* In the [[Battle of Antioch (145 BC)|Battle of Antioch]], [[Ptolemy VI Philometor]] defeats the [[Seleucid dynasty|Seleucid]] usurper [[Alexander Balas]], but dies in the battle.

==== Egypt ====
* [[Ptolemy VII of Egypt|Ptolemy VII]] becomes king of Egypt briefly, then is assassinated by [[Ptolemy VIII of Egypt|Ptolemy VIII]] the following year.<ref>{{cite web |title=Ptolemy VII Neos Philopator {{!}} king of Egypt |url=https://www.britannica.com/biography/Ptolemy-VII-Neos-Philopator |website=Encyclopedia Britannica |access-date=15 January 2021 |language=en}}</ref>

=== By topic ===
==== Astronomy ====
* [[Hipparchus]] determines the length of the [[tropical year]].
</onlyinclude>