在第一次国内革命战争时期,上海工人为了配合国民革命军北伐,打倒封建军阀的反动统治,在中国共产党的领导下,在短短的5个月时间里,先后举行了3次武装起义。第一次发动于1926年10月23日,由于准备不充分和资产阶级的动摇而失败;第二次发动于1927年2月21日,由于蒋介石的军队按兵不动,坐视反动军阀对起义工人的残酷 In the first Revolutionary Civil War, in order to cooperate with the Northern Expedition of the National Revolutionary Army and overthrow the reactionary rule of the feudal warlords, Shanghai workers held three armed uprisings in just five months under the leadership of the Chinese Communist Party. The first was launched on October 23, 1926, due to inadequate preparation and the failure of the bourgeoisie to falter. The second was launched on February 21, 1927, as Chiang Kai-shek’s army stood still and sat on the brutal reaction of the reactionary warlords to the uprising of workers