it was decided to hold a central meeting, which began in Shanghai on July 23, 1921. The first session of the National Congress of the Communist Party of China was attended by 13 delegates, Mao included.After the authorities sent a police spy to the congress, the delegates moved to a boat on South Lake near Jiaxing, in Zhejiang, to escape detection.
The Communist Party of China was founded by Chen Duxiu and Li Dazhao in the French concession of Shanghai in 1921 as a study society and informal network. Mao set up a Changsha branch, also establishing a branch of the Socialist Youth Corps.
Hitler announced he would rejoin on the condition that he would replace Drexler as party chairman, and that the party headquarters would remain in Munich. The committee agreed, and he rejoined the party on 26 July as member 3,680. Hitler continued to face some opposition within the NSDAP: Opponents of Hitler in the leadership had Hermann Esser expelled from the party, and they printed 3,000 copies of a pamphlet attacking Hitler as a traitor to the party.
Hitler spoke to several packed houses and defended himself and Esser, to thunderous applause. His strategy proved successful, and at a special party congress on 29 July, he was granted absolute powers as party chairman, replacing Drexler, by a vote of 533 to 1