Shanghai belonged to the State of Wu in the Spring and Autumn Period. The Warring States period belonged to Yue State and Chu State successively. During the Spring and Autumn Period and the Warring States Period, Shanghai Beach was the fief of Shen Jun, the king of Chu, so it was called "Shen". In the Jin Dynasty, because fishermen created a fishing tool "Hu", the place where the river flowed into the sea was called "Hu", so the lower reaches of Songjiang were called "Hu", and later it was changed to "Hu", so Shanghai was called "Shanghai" for short.

In the twenty-third year of Daoguang (1843), Shanghai opened its port, and in the twenty-fifth year of Daoguang (1845), the area north of Pidgin in Shanghai County was designated as a foreigner's residence, and then a British concession was formed. In the 28th year of Daoguang (1848), Hongkou area was designated as the American Concession.

After the administrative adjustment of 1956, the jurisdiction of Shanghai was reduced to 18, covering 15 urban areas and 3 suburbs. 1958, in order to meet the needs of urban development, Shanghai suburban counties belonging to Jiangsu Province were included in Shanghai.

Extended data:

Shanghai dialect is a dialect of Wu dialect, belonging to Taihu dialect of Wu dialect and Shanghai dialect of Su Xiaowu dialect. Shanghai dialect generally refers to Shanghai dialect, which is widely used now and is recognized as the mainstream common dialect in Shanghai. Songjiang dialect is the basis of Shanghai dialect.

Shanghai dialect is a new type of urban Wu dialect. On the basis of Songjiang dialect, Shanghai dialect naturally blends immigrant accents from all parts of Wu dialect, becoming the representative language and common language of Wu dialect. Phonetics is greatly influenced by Ningbo and Suzhou, which are the dominant immigrants.

Shanghai dialect of Wu dialect is the carrier of Shanghai culture and temperament, and it is an important foundation of Shanghai culture. Shanghai dialect, like the old villa, alley, Shikumen and cheongsam, has become a representative symbol of Shanghai customs. Shanghai dialect in a broad sense also includes the main dialects in Shanghai suburbs, and the towns in Shanghai suburbs belong to typical Jiangnan culture.

Baidu Encyclopedia-Shanghai