Editing 3rd century BC (section)

===[[290s BC]]===

*[[299 BC]]: The [[Samnites]], seizing their chance when Rome is engaged on the [[Lombardy|Lombard]] plain, start the [[Third Samnite War]] with a collection of mercenaries from [[Gaul]] and [[Sabine]] and [[Etruscan civilization|Etruscan]] allies to help them.
*[[298 BC]]: The Samnites defeat the [[Roman Republic|Romans]] under [[Lucius Cornelius Scipio Barbatus]] in the [[Battle of Camerinum]], the first battle of the Third Samnite War.
*[[294 BC]]: [[Antipater II of Macedon]] is killed by [[Lysimachus]], allowing [[Demetrius I of Macedon|Demetrius I]] to become [[King of Macedonia|king]] of [[Macedon]]ia, thus ending the [[Antipatrid dynasty]]'s control over [[Hellenistic Greece]] and ushering in a period of rule by the [[Antigonid dynasty]].
*[[293 BC]]: The Chinese [[Qin (state)|State of Qin]] reduced the threat of the [[Wei (state)|State of Wei]] and the [[Han (Warring States)|State of Han]] with the Qin victory in the [[Battle of Yique]].
*Roman armies penetrate into the heart of the Samnite territory and then capture the Samnite cities of Taurasia, Bovianum Vetus and [[Aufidena]].
*[[Agathocles of Syracuse|Agathocles]], king of [[Syracuse, Sicily]], assists the Italian Greeks against the [[Bruttians]].
*[[Bindusara]] succeeds his father [[Chandragupta Maurya]] as emperor of the [[Mauryan dynasty|Mauryan Empire]].
*The [[Epi-Olmec culture]] forms as a successor civilization to the [[Olmecs]] in [[Mesoamerica]].