Editing 4th century BC (section)

===[[340s BCE]]===
* [[344 BCE]]: [[King Hui of Wei|Duke Hui]] of [[Wei (state)|Wei]] is the first to claim the royal title of king (Chinese: 王) for himself, proclaiming themselves fully independent kingdoms.
* [[344 BCE]]: The rulers of [[Qi (state)|Qi]] and [[Wei (state)|Wei]] mutually recognized each other as "kings": [[King Wei of Qi]] and [[King Hui of Wei]], in effect declaring their independence from the [[Zhou dynasty|Zhou]] court.
* [[343 BCE]]: State of [[Qi (state)|Qi]] wins the [[Battle of Maling]] over [[Wei (state)|Wei]] that takes place in Maling, currently Dazhangjia Town, [[Shen County]], [[Henan]] Province, during the [[Warring States period]]. After the death of Pang Juan, Prince Shen was captured by Qi. The power of the state of Wei decreased considerably after this battle.