View source for 83 BC

=== By place ===

==== Roman Republic ====
* Spring &ndash; [[Lucius Cornelius Sulla]] returns to [[Italy]] from his campaigns in [[Ancient Greece|Greece]] and lands with his [[Roman legion|legions]] unopposed at [[Brindisi|Brundisium]]. He defeats the popular forces of [[Gaius Norbanus]] in the [[Battle of Mount Tifata]].
* [[Pompey|Gnaeus Pompeius]], age 22, raises, on his own initiative, a private army of three legions from his father's veterans and ''{{lang|la|clientelae}}'' in [[Picenum]].<ref>Nic Fields (2012). Osprey series: Command - Pompey, p. 7. {{ISBN|978-1-84908-572-4}}.</ref>
* [[Lucius Licinius Murena (propraetor in Asia)|Lucius Licinius Murena]], the [[Roman Republic|Roman]] governor of [[Asia (Roman province)|Asia]], clashes with the [[Kingdom of Pontus|Pontic]] forces of [[Mithridates VI]], starting the [[Second Mithridatic War]].
* A fire breaks out which burns down the [[Temple of Jupiter Optimus Maximus|Temple of Jupiter]] (Jupiter Capitolinus) and destroys the collection of [[Sibylline Books]].
* Two new buildings were completed on the [[Capitoline Hill]] in Rome: the [[Temple of Jupitor Optimus Maximus]] and the [[Tabularium]].<ref>{{cite book | first=John E. | last=Stambaugh | title=The Ancient Roman City | year=1988 | place=Baltimore | publisher=Johns Hopkins University Press | page=40 | isbn=0-8018-3574-7}}</ref>

==== Syria ====

* [[Tigranes the Great]], King of [[Kingdom of Armenia (antiquity)|Armenia]] was invited by a faction in the [[Seleucid Dynastic Wars|Seleucid civil wars]], entered Syria and effectively ended [[Seleucid Empire|Seleucid]] rule.<ref>{{Cite journal |last=Litovchenko |first=Sergey |date=2015 |title=Царствование Тиграна II Великого в Сирии: проблемы хронологии |trans-title=The reign of Tigranes the Great in Syria: chronology problems |url=https://www.academia.edu/30065529 |journal=Ancient World and Archaeology |issue=17 |pages=176–191}}</ref> Though a weakened Seleucid monarchy was briefly restored after Roman victories, ongoing instability led [[Pompey]] to abolish the dynasty and annex [[Roman Syria|Syria as a Roman province]] in 63 BC.</onlyinclude>