Editing 256 BC (section)

==== China ====
* The [[Great Wall of China]] construction starts.<ref>{{Cite web |last=Centre |first=UNESCO World Heritage |title=The Great Wall |url=https://whc.unesco.org/en/list/438/ |access-date=2022-12-01 |website=UNESCO World Heritage Centre |language=en}}</ref>
* [[Luoyang]] falls without much resistance to the armies of the [[Qin (state)|Qin]], ending the reign of the emperor [[Zhou Nan Wang]]. Although a successor was appointed as [[Dong Zhou Hui Wang]], traditionally in [[Chinese history]] this is considered the end of the [[Zhou dynasty]].<ref>{{Cite book |last=Qian |first=Sima |title=The Grand Scribe's Records, Vol. 1: The Basic Annals of Pre-Han China |publisher=Indiana University Press |year=1995 |edition=1st |location=Bloomington, Indiana}}</ref>
* The [[Du Jiang Yan Irrigation System]] is constructed, ending flooding and irrigating thousands of square miles of land through an ingeniously designed system.<ref>{{Cite book |last=Zhang |first=Kan |title=World Heritage in China |publisher=The Press of South China University of Technology |year=2006 |isbn=7-5623-2390-9 |location=Guangzhou}}</ref>
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