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2182 BCE
2nd punic war
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360 BCE
Fall of Official Paganism
as Julian the Apostate attempted to reverse the religious trend to Christianity with a return to paganism supported by the government. -
306 BCE
Acceptance of Christianity
Later Constantine defeated the Eastern ruler and became the sole ruler for the entire Roman Empire -
285 BCE
Tetrarchy
Between 285 and 293, Diocletian split the Roman Empire into two pieces and added junior emperors to help run them, making a total of four Caesars, called a tetrarchy. -
261 BCE
1st punic war
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235 BCE
Crisis of the Third Century (Age of Chaos)
Also known as the period of Military Anarchy or the Imperial Crisis, this period began with the assassination of Severus Alexander (ruled 222–235) by his own troops. -
201 BCE
end of 2nd punic war
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149 BCE
3rd punic war