Editing 3rd century BC (section)

===[[210s BC]]===
*[[218 BC]]: [[Second Punic War]] begins. [[Hannibal]] makes his famous [[Alps|Alpine]] crossing to invade [[Italy]], the Roman heartland.
*[[217 BC]]: [[Antiochus III]] invades the Levant in the [[Third Syrian War]], but is defeated by [[Ptolemy IV]] at the [[Battle of Raphia]].
*[[216 BC]]: [[Hannibal]] famously crushed the Roman legions at the [[Battle of Cannae]].
*[[214 BC]]: [[Qin Shi Huang]] (秦始皇) of the Chinese [[Qin dynasty]] ordered construction of the [[Great Wall of China]]. 
*[[214 BC]]: In the Mediterranean, the [[First Macedonian War]] between Rome and Macedon begins, with Rome encouraging its Greek allies, such as [[Attalus I]] of [[Pergamon]], to attack the forces of [[Philip V of Macedon]].
*[[210 BC]]: [[Qin Shi Huang]] dies while on a trip to the far eastern reaches of his empire in an attempt to procure an [[elixir]] of immortality from [[Taoist]] magicians.