Did the Shengsi Islands belong to Zhejiang or Jiangsu in history?

According to the records of "Historical Records" and "Shui Jing Zhu", in ancient times, Shengsi was dominated by Southern Barbarians and Dongyi.

During the Spring and Autumn Period and the Warring States Period, it was the continent in the sea on the eastern border of the Yue Kingdom.

After Chu destroyed Yue, Jiangdong County was established as Jiangdong County of Chu State.

In 221 BC, Qin unified the six kingdoms, and Shengsi belonged to Kuaiji County.

Liu Bang, the great ancestor of the Western Han Dynasty, enfeoffed various princes and queens with different surnames, and they belonged to Kuaiji County in the land of King Han of Chu.

The princes and queens with the same surname were enfeoffed. The Shengsi area was the land of Wu King Liu Bi and the Wu Kingdom.

In the third year of Emperor Jing's reign, the rebellion of the Seven Kingdoms of Wu and Chu was quelled. King Liu Bi of Wu was executed, and then he belonged to Luang County, Kuaiji County of King Jiangdu.

The world is divided into thirteen prefecture governors, and Shengsi belongs to Luang County, Kuaiji County, Yangzhou Prefecture.

In the Song Dynasty of the Southern Dynasty, it belonged to Yangzhou (or Dongyangzhou); in the Qi Dynasty, it belonged to Kuaiji County of Yangzhou;

In the Liang Dynasty, it was the same as the Song Dynasty; in the Chen Dynasty, it belonged to Yuyao, Kuaiji County of Dongyangzhou county.

After Emperor Wen of the Sui Dynasty defeated Chen, he established the Wuzhou General Manager's Mansion, and the Shengsi area belonged to the Wuzhou Mansion.

In the first year of Daye, it belonged to Yuezhou. In the third year of Daye, Yuezhou was changed to Kuaiji County.

In the fourth year of Emperor Wude's reign in the Tang Dynasty, the capital of Yuezhou was established in Xiayinzhou, and Shengsi County belonged to Xiayinzhou in Yuezhou.

In the first year of Zhenguan, the world was divided into ten regions, and Shengsi belonged to Yuezhou, Jiangnan Province.

In the mid-Kaiyuan period, it increased to fifteen roads and belonged to Wengshan County, Mingzhou, Jiangnan East Road.

In the first year of Tianbao, Mingzhou was changed to Yuyao County, and Shengsi land belonged to Yuyao County.

In the early years of the Southern Song Dynasty, Shengsi belonged to Qingyuan Mansion on Liangzhe East Road.

From the Yuan Dynasty to the Yuan Dynasty, it belonged to Changguo County, Changguo Prefecture, Qingyuan Road, Zhejiang Province, Zhejiang Province.

In the second year of Hongwu in the early Ming Dynasty, Shengsi belonged to Changguo County, Mingzhou Prefecture, Jiangsu and Zhejiang Provinces. In the 20th year of Hongwu's reign, it belonged to Dinghai County, Ningbo Prefecture, Zhejiang Province.

In the early Qing Dynasty, the Ming system was followed. Shengsi belongs to Dinghai County, Ningbo Prefecture, Zhejiang Province. In the twenty-seventh year of Kangxi's reign, Dinghai was established in Zhoushan, and Shengsi belonged to Dinghai County.

In the 29th year of Kangxi's reign, the Shengsi area was placed under the jurisdiction of Taicang Prefecture, Suzhou Prefecture, Susongtai Road, Jiangsu Province. In the second year of Yongzheng's reign, Taicang was promoted to Zhili Prefecture.

From the first year to the fifth year of the Republic of China, it belonged to Chongming County, Jiangsu Province. Before the Songhu Incident, it was occupied by the Zhoushan Base Command of the Japanese Navy that invaded China. The Wang Puppet regime designated it as the Shengsi Special Area of ??Zhejiang Province.

After the victory of the Anti-Japanese War, it was the same as before the war. In the 35th year of the Republic of China, it was changed to a district directly under Jiangsu Province. In October 1949, Shengsi County was established and was under the jurisdiction of the Jiangsu Provincial Government in exile from the mainland. ?

In 1952, southern Jiangsu and northern Jiangsu merged, and Shengsi County belonged to Songjiang Prefecture of Jiangsu Province. ?

In June 1953, Shengsi County was placed under the Zhoushan Prefecture of Zhejiang Province. ?

From 1958 to 1960, the Zhoushan Office and Shengsi County were abolished and belonged to the Shengsi People's Commune of Zhoushan County, Ningbo Prefecture. ?

From 1960 to 1962, Shengsi People’s Commune was placed under the jurisdiction of Shanghai. ?

In 1962, the county system was restored, and Shengsi County still belonged to Zhoushan Prefecture of Zhejiang Province. ?

In 1970, Zhoushan Prefecture was changed to Zhoushan District, and Shengsi County belonged to Zhoushan District.

In 1987, the Zhoushan area was renamed Zhoushan City, and Shengsi County belonged to Zhoushan City.