Henan: Map & History
The historiographical term "Eighteen Kingdoms", also translated as "Eighteen States", refers to the eighteen fengjian states in China created by military leader Xiang Yu in 206 BCE, after the collapse of the Qin dynasty.
Wikipedia Encyclopedic Compendium
Historiographical synthesis & structured realm registry
The historiographical term "Eighteen Kingdoms", also translated as "Eighteen States", refers to the eighteen fengjian states in China created by military leader Xiang Yu in 206 BCE, after the collapse of the Qin dynasty. The establishment and abolition of the Eighteen Kingdoms marked the beginning and end of a turbulent interregnum known as the Chu–Han Contention.
Modern Countries Once Part of Henan
At its mapped extent, Henan covered territory in 1 present-day country. The period shown is when the mapped borders include that country, and the note says how much of it.
States and Provinces
Largest Present-Day Cities in Its Territory
Each opens on the live map inside Henan's borders of that time.
Derived by testing mapped cities against this polity's dated territorial polygons, so the list is indicative and follows the borders in the source dataset.
Henan Timeline
Key historical inflections from foundation to peak territorial expansion
Expansion to peak recorded area of 40,946 km² in 205 BCE.
Henan: Frequently Asked Questions
When did Henan exist?
Henan is dated to 206 BCE – 204 BCE, in the Classical Antiquity era.
How large was Henan at its peak?
At its peak in 205 BC Henan covered about 40,946 km².