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Zheng Yi Sao

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Zheng Yi Sao, also known as Shi Yang, was a powerful pirate leader in the South China Sea. She was active from 1801 to 1810. Historians describe her as one of the most successful pirates in history. She rose from a humble life to command a massive confederation of ships. Her leadership helped a group of many thousands of pirates challenge major world powers.

Chinese junk 1804
Chinese junk 1804

The pirate confederation functioned through a highly organized system of fleets. In 1805, different pirate leaders signed an agreement to work together. They agreed to sacrifice some of their personal autonomy for the group. This created a unified force made of six distinct fleets. Each fleet was identified by a specific flag color: red, black, blue, white, yellow, and purple. Zheng Yi commanded the largest group, known as the 200-Ship Red Flag Fleet.

Tung Chung Bay 東涌灣 - panoramio
Tung Chung Bay 東涌灣 - panoramio

Zheng Yi Sao's path to power began with her marriage to the pirate Zheng Yi in 1801. Zheng Yi came from a family of pirates with roots in the Ming dynasty. By 1805, the fleet grew to approximately 400 junks. These junks were traditional Chinese sailing vessels used for transport and combat. The total number of pirates in the confederation was between 40,000 and 70,000 people.

Chinese junk 1804
Chinese junk 1804

Leadership changed abruptly on November 16, 1807, when Zheng Yi died. He fell overboard during a gale, which is a very strong wind. Zheng Yi Sao took control of his operations immediately. She was supported by Zheng Yi's nephew, Zheng Baoyang, and his son, Zheng Anbang. She also had the vital support of Zhang Bao. Zhang Bao was Zheng Yi's adopted son and the commander of the Red Flag Fleet.

Alden Dawson - The pirates swormed around the opponents ... and carried everything in a rush
Alden Dawson - The pirates swormed around the opponents ... and carried everything in a rush

Under her guidance, the confederation became much more active in 1808. Zhang Bao and Zheng Yi Sao led many successful military engagements. In 1808, they destroyed a Chinese fleet of 35 ships near Mazhou Island. These victories reduced the Chinese provincial fleet by half. This allowed the pirates to enter the Pearl River more easily. In 1809, Zheng Yi Sao personally led the Red and White Flag Fleets in a major battle against Provincial Commander Sun Quanmou.

Portuguese Navy Fighting Pirates in the Pearl River Delta
Portuguese Navy Fighting Pirates in the Pearl River Delta

The pirates also faced conflict with the Portuguese Navy near Macau. The Portuguese used modern armaments like rifles and rifled cannons. These cannons could fire explosive shells at enemy ships. In 1809, the pirates captured a ship belonging to the Portuguese governor of Timor. This led to intense naval battles in the waters near Macau. Despite the advanced technology of the Portuguese, the pirates remained a massive threat to regional stability.

Brigue Pedro Nunes (1856-1871)
Brigue Pedro Nunes (1856-1871)

By 1810, the situation led to a major diplomatic shift. Chinese officials sought help from the Portuguese to stop the pirates. A formal agreement was signed in Macau on November 23, 1809. This agreement involved the Viceroy of Liangguang and Portuguese magistrates. The Qing government agreed to pay 80,000 taels to outfit Portuguese ships for six months. This cooperation aimed to end the constant pirate invasions.

Zheng Yi Sao eventually used her influence to secure a peaceful end to her career. In 1810, she negotiated a surrender with the Qing authorities. This was a very strategic decision. The terms allowed her and Zhang Bao to avoid prosecution for their actions. They were permitted to keep 24 ships and over 1,400 pirates. Zheng Yi Sao lived a prosperous life after leaving the sea. She died in 1844 at the age of about 68.

Macao, View of Two Bays
Macao, View of Two Bays
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🖼️ Images & Media (7)
File:Alden Dawson - The pirates swormed around the opponents ... and carried everything in a rush.jpg
Alden Dawson - The pirates swormed around...
File:Macao, View of Two Bays.jpg
Macao, View of Two Bays.jpg
File:Brigue Pedro Nunes (1856-1871).jpg
Brigue Pedro Nunes (1856-1871).jpg
File:Portuguese Navy Fighting Pirates in the Pearl River Delta.jpg
Portuguese Navy Fighting Pirates in the...
File:Tung Chung Bay 東涌灣 - panoramio.jpg
Tung Chung Bay 東涌灣 - panoramio.jpg
File:Chinese junk 1804.jpg
Chinese junk 1804.jpg
File:Retrato do Dr. Miguel José d'Arriaga Brum da Silveira (PNM 7466).png
Retrato do Dr. Miguel José d'Arriaga Brum...
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