page_title: Sino-Soviet Non-Aggression Pact
hierarchical_section_title: Sino-Soviet Non-Aggression Pact
caption_attribution_description: 中文（繁體）‎: 抗戰期間來華助戰的蘇聯空軍義勇軍I-16戰鬥機。
context_page_description: The Sino-Soviet Non-Aggression Pact was signed in Nanjing on August 21, 1937, between the Republic of China and the Soviet Union during the Second Sino-Japanese War. It went into effect on the day it was signed. It was registered in League of Nations Treaty Series on September 8, 1937.
context_section_description: The Sino-Soviet Non-Aggression Pact (traditional Chinese: 中蘇互不侵犯條約; simplified Chinese: 中苏互不侵犯条约; pinyin: Zhōng-sū hù bù qīnfàn tiáoyuē) was signed in Nanjing on August 21, 1937, between the Republic of China and the Soviet Union during the Second Sino-Japanese War. It went into effect on the day it was signed. It was registered in League of Nations Treaty Series on September 8, 1937.
caption: Polikarpov I-16 with Chinese insignia. I-16 was the main fighter plane used by the Chinese Airforce and Soviet volunteers.
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