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  2. History of the compass - Wikipedia

    en.wikipedia.org/wiki/History_of_the_compass

    Song dynasty figurine of a man holding a compass. The compass is a magnetometer used for navigation and orientation that shows direction in regards to the geographic cardinal points. The structure of a compass consists of the compass rose, which displays the four main directions on it: East (E), South (S), West (W) and North (N). The angle ...

  3. Fengjian - Wikipedia

    en.wikipedia.org/wiki/Fengjian

    The four occupations were the shì (士) the class of "knightly" scholars, mostly from lower aristocratic orders, the gōng (工) who were the artisans and craftsmen of the kingdom and who, like the farmers, produced essential goods needed by themselves and the rest of society, the nóng (農) who were the peasant farmers who cultivated the land which provided the essential food for the people ...

  4. Li Zicheng - Wikipedia

    en.wikipedia.org/wiki/Li_Zicheng

    Li Zicheng (22 September 1606 – 1645 [1]), born Li Hongji, also known by his nickname, the Dashing King, [2] was a Chinese peasant rebel leader who helped overthrow the Ming dynasty in April 1644 and ruled over northern China briefly as the Yongchang Emperor (Chinese: 永昌帝; pinyin: Yǒngchāng Dì) of the short-lived Shun dynasty before his death a year later.

  5. Four Great Inventions - Wikipedia

    en.wikipedia.org/wiki/Four_Great_Inventions

    A lodestone compass was used in China during the Han dynasty between the 2nd century BC and 1st century AD, where it was called the "south-governor" (sīnán 司南). [14] The earliest reference to a magnetic device used for navigation is in a Song dynasty book dated to 1040–1044, where there is a description of an iron "south-pointing fish ...

  6. Han dynasty - Wikipedia

    en.wikipedia.org/wiki/Han_dynasty

    The Han dynasty [a] was an imperial dynasty of China (202 BC – 9 AD, 25–220 AD) established by Liu Bang and ruled by the House of Liu. The dynasty was preceded by the short-lived Qin dynasty (221–206 BC) and a warring interregnum known as the Chu–Han Contention (206–202 BC), and it was succeeded by the Three Kingdoms period (220–280 AD).

  7. History of the Han dynasty - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Han_dynasty

    This party favoured greater government intervention in the private economy with government monopolies over salt and iron, higher taxes exacted on private business, and price controls which were used to fund an aggressive foreign policy of territorial expansion; they also followed the Qin dynasty approach to discipline by meting out more ...

  8. Government of the Han dynasty - Wikipedia

    en.wikipedia.org/wiki/Government_of_the_Han_Dynasty

    The imperial system fell apart after the fall of Qin in 206 BC. However, following Han's victory over Chu, the King of Han reestablished the imperial system and is known posthumously as Emperor Gaozu (r. 202–195 BC). [9] The Han system of imperial government borrowed many of its core features from the regime established by the Qin dynasty.

  9. Warring States period - Wikipedia

    en.wikipedia.org/wiki/Warring_States_period

    The system of feudal states created by the Western Zhou dynasty underwent enormous changes after 771 BC with the flight of the Zhou court to modern-day Luoyang and the diminution of its relevance and power. The Spring and Autumn period led to a few states gaining power at the expense of many others, the latter no longer able to depend on ...