Конфликт на КВЖД - 中东路自卫反击战 - Soviet Counterattack in Self Defense on the Chinese Eastern Railway 1929

In October 1927, the Nationalist reactionaries headed by the bandit Chiang Kai Shek blocked all the Soviet consulates in China. The diplomatic relations between the Republic of China and the Soviet Union were severed due to numerous of Soviet diplomats were arrested or shot. In July 1929, the Nationalist reactionaries violated the "Sino-Soviet Condominium Agreement on Chinese Eastern Railway" signed in 1924 and ordered the warlord in Northeastern China-- Chang Hsueh Liang to arrest more than 300 Soviet citizens illegally. In October of the same year, the Northeastern Army and the mercenaries mainly comprised White Army in exile launched offensives on the Sino-Soviet border, which broke out an armed conflict between Chinese reationaries and the Soviet Union. The Soviet Army was forced to fight back to defend itself, which ultimately defeated the military provocation of the reactionaries. According to the principle of proletarian internationalism, the Chinese Communist Party proposed the guidelines of "Defending the Soviet Union with Arms".1927年10月，以蒋匪介石为首的国民党反动派悍然用武力封锁驻中国各地的苏联领事馆，逮捕和枪杀苏联外交人员，断绝了同苏联的外交关系。

1929年7月，国民党反动派又违背1924年关于中长铁路的“中苏共管协定”，命令位于东北的大军阀张学良非法拘捕苏联公民三百余人。同年10月，张学良的东北军及帝俄残匪雇佣军向苏联边境发动进攻，从而爆发了中国反动派和苏联之间的武装冲突。苏军被迫自卫还击，最终使国民党反动派的军事挑衅遭到惨败。中国共产党根据无产阶级国际主义原则提出“武装保卫苏联”的方针。