Zhou Enlai
Activities in Shanghai

Zhou was transferred to Shanghai to assist in these activities, probably in late 1926. It seems he was not present for the first uprising on 23–24 October, but he was certainly in Shanghai by December 1926. Early accounts credit Zhou with labor organizing activities in Shanghai after his arrival, or, more credibly, working to "strengthen the indoctrination of political workers in labor unions and smuggle arms for the strikers." Reports that Zhou "organized" or "ordered" the second and third uprisings on 20 February and 21 March exaggerate his role. Major decisions during this period were made by the Communist head in Shanghai, Chen Duxiu, the Party's general secretary, with a special committee of eight party officials coordinating Communist actions. The committee also consulted closely on decisions with the Comintern representatives in Shanghai, headed by Grigori Voitinsky. The partial documentation available for this period shows that Zhou headed the Communist Party Central Committee's Military Commission in Shanghai. He participated in both the February and March actions, but was not the guiding hand in either event, instead working with A. P. Appen, the Soviet military advisor to the Central Committee, training the pickets of the General Labor Union, the Communist controlled labor organization in Shanghai. He also worked to make union strong arm squads more effective when the Communists declared a "Red Terror" after the failed February uprising; this action resulted in the murder of twenty "anti-union" figures, and the kidnapping, beating, and intimidation of others associated with anti-union activities.

The third Communist uprising in Shanghai took place from 20 to 21 March. Approximately 600,000 rioting workers cut power and telephone lines and seized the city's post office, police headquarters, and railway stations, often after heavy fighting. During this uprising, the insurrectionists were under strict orders not to harm foreigners, which they obeyed. The forces of Sun Chuanfang withdrew and the uprising was successful, despite the small number of armed forces available. The first Nationalist troops entered the city the next day.

As the Communists attempted to install a soviet municipal government, conflict began between the Nationalists and Communists, and on 12 April Nationalist forces, including both members of the Green Gang and soldiers under the command of Nationalist general Pai Ch'ung-hsi attacked the Communists and quickly overcame them. On the eve of the Nationalist attack, Wang Shouhua, who was both the head of the CCP Labor Committee and the Chairman of the General Labor Committee, accepted a dinner invitation from "Big-eared Du" (a Shanghai gangster) and was strangled after he arrived. Zhou himself was nearly killed in a similar trap, when he was arrested after arriving at a dinner held at the headquarters of Si Lie, a Nationalist commander of Chiang's Twenty-sixth Army. Despite rumors that Chiang had put a high price on Zhou's head, he was quickly released by Pai Ch'ung-hsi's forces. The reasons for Zhou's sudden release may have been that Zhou was then the most senior Communist in Shanghai, that Chiang's efforts to exterminate the Shanghai Communists were highly secretive at the time, and that his execution would have been noticed as a violation of the cooperation agreement between the CCP and the KMT (which was technically still in effect). Zhou was finally only released after the intervention of a representative of the Twenty-sixth Army, Zhao Shu, who was able to convince his commanders that the arrest of Zhou had been a mistake.
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