Preceden

Han Dynasty Timeline

(206 BCE – 220 CE)

The Han Dynasty was one of China's most influential imperial dynasties, ruling from 206 BCE to 220 CE. Founded by Liu Bang after the fall of the Qin, it established Confucianism as state ideology, expanded Chinese territory, opened the Silk Road, and made enduring advances in papermaking, astronomy, and governance that shaped Chinese civilization for millennia. Less

Go to: Timeline | Event List | Key Facts | Directory

Economy

Money economy first established during the Zhou dynasty

1050 BC - 256 BC

The foundations of the Chinese money economy were first laid during the Zhou dynasty (c. 1050–256 BC). This early monetary system would later provide the basis for the significant economic growth and monetization that flourished during the Han dynasty.

Image source: Zhou dynasty

Money economy first established during the Zhou dynasty

Han dynasty experiences economic prosperity

202 BC - 220 AD

The Han dynasty experienced notable periods of economic prosperity, marked by agricultural expansion, thriving trade, and state monopolies on key commodities. These prosperous eras helped sustain the empire for over four centuries.

Image source: Economy of the Han dynasty

Han dynasty experiences economic prosperity

Significant growth of the Han money economy

202 BC - 220 AD

During the Han dynasty, the money economy, which had first been established during the Zhou dynasty, grew significantly. Coinage circulated widely, facilitating commerce, taxation, and large-scale trade both within China and along emerging trade routes.

Mathematics and Calendars

Sifen calendar established during the Spring and Autumn period

500 BC - 401 BC

In the 5th century BC, during the Spring and Autumn period, the Chinese established the Sifen calendar, which measured the tropical year at 365.25 days. This calendar remained influential into the Han dynasty.

Image source: Han dynasty

Sifen calendar established during the Spring and Autumn period

Creation of a musical scale of 60 tones

202 BC - 220 AD

Han scholars created a musical scale of 60 tones, calculating the difference at 177147/176776 — the same value of 53 equal temperament later discovered by the German mathematician Nicholas Mercator (1620–1687).

Image source: Music of China

Creation of a musical scale of 60 tones

Taichu calendar replaces the Sifen calendar

104 BC

In 104 BC, the Taichu calendar replaced the older Sifen calendar. It measured the tropical year at 365+385/1539 (~365.25016) days and the lunar month at 29+43/81 days, representing a refinement of Chinese astronomical calculation.

Image source: Chinese calendar

Taichu calendar replaces the Sifen calendar

Negative numbers used by Diophantus

275 AD

The Greek mathematician Diophantus used negative numbers around AD 275, roughly contemporaneous with their use in Han China. This reflects the gradual global emergence of the concept of quantities below zero.

Image source: Negative number

Negative numbers used by Diophantus

Negative numbers appear in the Bakhshali manuscript

700 AD

Negative numbers were also employed in the 7th-century Bakhshali manuscript of Gandhara, South Asia, demonstrating that the mathematical concept had spread to multiple civilizations, though it was not widely accepted in Europe until the 16th century.

Image source: Bakhshali manuscript

Negative numbers appear in the Bakhshali manuscript

Science and Technology

Han era of scientific and technological growth

202 BC - 220 AD

The Han dynasty was a unique period in the development of premodern Chinese science and technology, comparable in achievement to the scientific and technological growth later seen during the Song dynasty (960–1279).

Image source: Science and technology of the Han dynasty

Han era of scientific and technological growth

Three-legged iron seed drill invented

200 BC - 101 BC

By the 2nd century BC, the three-legged iron seed drill had been invented in Han China. It enabled farmers to carefully plant crops in even rows instead of sowing seeds by hand, greatly improving agricultural efficiency and yields.

Image source: Seed drill

Three-legged iron seed drill invented

Oldest known Chinese hempen paper produced

200 BC - 101 BC

The oldest known piece of Chinese hempen paper dates to the 2nd century BC. This early papermaking represented a major advance in writing materials that would eventually transform communication and record-keeping across the empire.

Image source: History of paper

Oldest known Chinese hempen paper produced

Wheelbarrow first used in Han China

100 BC - 1 BC

Although ox carts and chariots had previously been used in China, the wheelbarrow was first used in Han China during the 1st century BC. This simple yet transformative invention revolutionized the transport of goods and materials.

Image source: Wheelbarrow

Wheelbarrow first used in Han China

Armillary sphere invented by Han astronomers

100 BC - 1 BC

During the 1st century BC, Han inventors created the armillary sphere, a three-dimensional representation of the movements in the celestial sphere. This instrument greatly advanced Chinese astronomy and calendrical science.

Image source: Armillary sphere

Armillary sphere invented by Han astronomers

Chain pump first mentioned in Wang Chong's Lunheng

50 AD - 99 AD

The chain pump, a device for lifting water for irrigation, was first mentioned in China by the philosopher Wang Chong in his 1st-century work Lunheng. It became an essential tool for farming and water management.

Image source: Chain pump

Chain pump first mentioned in Wang Chong's Lunheng

Seed drill depicted in Han artwork

100 AD - 200 AD

The multi-tube seed drill was depicted in Han artwork by the 2nd century AD, providing visual evidence of its use. However, detailed written descriptions of the device were not offered until the 3rd century.

Watermill use in China evidenced

400 AD - 500 AD

Although watermills were known in other civilizations earlier, there is no sufficient evidence for the watermill in China until around the 5th century, when it began to appear in the Chinese technological record.

Image source: Watermill

Watermill use in China evidenced

Cartography

Mawangdui silk maps placed in a Han tomb

200 BC - 101 BC

Some of the oldest Han-era maps discovered were written using ink on silk and were found among the Mawangdui Silk Texts in a 2nd-century BC tomb in Hunan, revealing the sophistication of early Chinese cartography.

Image source: Mawangdui Silk Texts

Mawangdui silk maps placed in a Han tomb

Ma Yuan creates the world's first raised-relief map

1 AD - 99 AD

In the 1st century AD, the general Ma Yuan created the world's first known raised-relief map, modeling terrain in three dimensions using rice — a pioneering achievement in the history of cartography.

Image source: Ma Yuan (Han dynasty)

Ma Yuan creates the world's first raised-relief map

Zhang Heng introduces graduated scales in maps

100 AD - 120 AD

There is evidence that the use of graduated scales and grid references in maps was introduced in the early 2nd century by the Han cartographer Zhang Heng, long before these techniques were thoroughly described in writing.

Image source: Zhang Heng

Zhang Heng introduces graduated scales in maps

Pei Xiu thoroughly describes graduated scales and grid references

224 AD - 271 AD

Although graduated scales and grid references had been used since Zhang Heng's time, their use was not thoroughly described in writing prior to the work of the cartographer Pei Xiu (AD 224–271), who systematized Chinese cartographic principles.

Image source: Pei Xiu

Pei Xiu thoroughly describes graduated scales and grid references

Religion

Imperial University student body grows to over 30,000

100 AD - 200 AD

By the 2nd century AD, the Imperial University had grown dramatically in importance, with its student body swelling to over 30,000. It became a central institution for training officials steeped in Confucian classics.

Image source: Imperial Universities

Imperial University student body grows to over 30,000

Taoists form large hierarchical religious societies

100 AD - 200 AD

By the 2nd century AD, Taoists had formed large hierarchical religious societies in China. These organized movements marked a shift from philosophical Taoism toward structured religious institutions with clergy and lay followers.

Image source: Taoism

Taoists form large hierarchical religious societies

Founding of the Way of the Five Pecks of Rice

100 AD - 200 AD

The Way of the Five Pecks of Rice emerged in the 2nd century AD as one of the most prominent Taoist religious societies. It combined spiritual practice with communal organization and would later play a significant role in regional politics.

Image source: Way of the Five Pecks of Rice

Founding of the Way of the Five Pecks of Rice

Laozi revered as a holy prophet by Taoist followers

100 AD - 200 AD

Followers of the new Taoist movements believed that the sage-philosopher Laozi (fl. 6th century BC) was a holy prophet who would offer salvation and good health to his devout followers, elevating him from philosopher to divine figure.

Image source: Laozi

Laozi revered as a holy prophet by Taoist followers

Taoist practices of confession and banning unclean gods

100 AD - 200 AD

Taoist religious societies taught that salvation and good health could be achieved if followers confessed their sins, banned the worship of unclean gods who accepted meat sacrifices, and chanted sections of the Tao Te Ching as acts of devotion.

Sutra of Forty-two Chapters translated into Chinese

100 AD - 200 AD

During the 2nd century AD, important Buddhist canons began to be translated into Chinese, including the Sutra of Forty-two Chapters. This translation work helped establish Buddhism as a growing religious presence in Han China.

Pratyutpanna Sutra translated into Chinese

100 AD - 200 AD

The Pratyutpanna Sutra, an early Mahayana text associated with Pure Land practice, was translated into Chinese during the 2nd century AD, contributing to the spread of Buddhist teachings in China.

Shurangama Sutra translated into Chinese

100 AD - 200 AD

The Shurangama Sutra was translated into Chinese during the 2nd century AD as part of the broader effort to transmit Buddhist canons into the Chinese language, enriching the spiritual landscape of the Han empire.

Image source: Śūraṅgama Sūtra

Shurangama Sutra translated into Chinese

Perfection of Wisdom sutras translated into Chinese

100 AD - 200 AD

The Perfection of Wisdom texts were among the important Buddhist canons translated into Chinese during the 2nd century AD, bringing core Mahayana Buddhist philosophy to Chinese readers and scholars.

Image source: Prajnaparamita

Perfection of Wisdom sutras translated into Chinese

Key Facts

  1. The Han Dynasty was founded by Liu Bang (Emperor Gaozu) in 206 BCE after the collapse of the short-lived Qin Dynasty.
  2. Emperor Wu (r. 141–87 BCE) greatly expanded the empire and established Confucianism as the official state ideology.
  3. The Han opened the Silk Road, connecting China with Central Asia, India, Persia, and eventually Rome for trade.
  4. Major inventions of the era include paper (credited to Cai Lun around 105 CE), the seismograph, and early forms of the wheelbarrow.
  5. The dynasty split into the Western Han (206 BCE–9 CE) and Eastern Han (25–220 CE), interrupted briefly by Wang Mang's Xin Dynasty.

Source

This Han Dynasty timeline was generated with the help of AI, using information found on the internet.

We work hard to keep these timelines accurate, but mistakes do get through. If you spot one, email us at [email protected] and we'll fix it for future visitors.

Want a timeline like this one?

Generate yours with AI or build it from scratch, for free.

Try It for Free