Three Kingdoms

Lore & Background

The Three Kingdoms period, spanning from 220 to 280 AD, followed the collapse of the Eastern Han dynasty and preceded the Western Jin dynasty. Its defining characteristic was the tripartite division of China among the states of Cao Wei, Shu Han, and Eastern Wu. This era was one of the most dangerous in Chinese history, marked by widespread plagues, famines, and civil war. A census taken in 280 AD, after reunification under Jin, recorded only about 2.46 million households and 16.16 million individuals, a dramatic drop from the Han dynasty’s 10.68 million households and 56.49 million people, though the accuracy of this count is uncertain. The period saw significant technological advances: Shu’s chancellor Zhuge Liang invented a device known as the wooden ox, thought to be an early wheelbarrow, and improved the repeating crossbow. Wei’s mechanical engineer Ma Jun, considered equal to the earlier inventor Zhang Heng, created a hydraulic-powered puppet theatre, square-pallet chain pumps for irrigation, and the south-pointing chariot, a non-magnetic directional compass using differential gears. The authoritative historical record is Chen Shou’s *Records of the Three Kingdoms*, later annotated by Pei Songzhi in 429 AD. The era has been heavily romanticized in Sinosphere culture through folklore, opera, novels, and modern media, most famously in Luo Guanzhong’s Ming dynasty novel *Romance of the Three Kingdoms*. The periodization typically begins with Cao Wei’s establishment in 220 and ends with Jin’s conquest of Wu in 280, though some historians cite earlier starting points such as the Yellow Turban Rebellion in 184 or Dong Zhuo’s actions in 189–190.

Reader's Guide

The Three Kingdoms period in China, spanning from 220 to 280 AD, was defined by the tripartite division of the realm among Cao Wei, Shu Han, and Eastern Wu following the collapse of the Han dynasty. This era was preceded by a chaotic interval from 184 to 220 AD, during which Han authority disintegrated amid violent struggles among regional warlords, exacerbated by widespread plagues, famines, and civil war that made it one of the most perilous times in Chinese history. The population plummeted dramatically; a census taken after reunification in 280 AD recorded only about 16 million individuals, a stark decline from the Han dynasty’s reported 56 million, though the accuracy of these figures is uncertain. Despite the instability, technological innovation flourished. Notable advances included Shu chancellor Zhuge Liang’s invention of the wooden ox, believed to be an early wheelbarrow, and his improvements to the repeating crossbow. Wei engineer Ma Jun, often compared to his predecessor Zhang Heng, created a hydraulic puppet theatre for Emperor Ming, square-pallet chain pumps for irrigation, and the south-pointing chariot, a non-magnetic directional device using differential gears. The authoritative historical record is Chen Shou’s *Records of the Three Kingdoms*, later annotated by Pei Songzhi in 429 AD. The period has been heavily romanticized in Sinosphere culture, inspiring folklore, opera, novels, and modern media, most famously Luo Guanzhong’s Ming dynasty novel *Romance of the Three Kingdoms*.

Did You Know?

• The Later Three Kingdoms period is dated from c. 890s to 936 AD.
• Kyŏn Hwŏn captured Gwangju and established the Later Baekje state at Jeonju in 892.
• Kyŏn Hwŏn proclaimed Later Baekje as a kingdom in 900.
• The last Silla monarch, Gyeongsun, surrendered to Goryeo in 935.
• Goryeo conquered Later Baekje in 936, ending the Later Three Kingdoms period.