HarbinHarbin (ha:r'bIn,_-bi:n; ; ) is a sub-provincial city and the provincial capital and the largest city of Heilongjiang province, People's Republic of China, as well as the second largest city by urban population after Shenyang and largest city by metropolitan population (urban and rural together) in Northeast China. Harbin has direct jurisdiction over nine metropolitan districts, two county-level cities and seven counties, and is the eighth most populous Chinese city according to the 2020 census.
Unit 731, short for Manshu Detachment 731 and also known as the Kamo Detachment and the Ishii Unit, was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that engaged in lethal human experimentation and biological weapons manufacturing during the Second Sino-Japanese War (1937–1945) and World War II. It killed an estimated 200,000 to 300,000 people. It was based in the Pingfang district of Harbin, the largest city in the Japanese puppet state of Manchukuo (now Northeast China, formerly named Manchuria) and had active branch offices throughout China and Southeast Asia.
Kwantung ArmyThe Kwantung Army (Japanese: 関東軍, Kantō-gun) was a general army of the Imperial Japanese Army from 1919 to 1945. The Kwantung Army formed in 1906 as a security force for the Kwantung Leased Territory and South Manchurian Railway Zone after the Russo-Japanese War of 1904–1905, and expanded into an army group during the Interwar period to support Japanese interests in China, Manchuria, and Mongolia.
Sino-Soviet splitThe Sino-Soviet split was the breaking of political relations between the People's Republic of China and the Soviet Union caused by doctrinal divergences that arose from their different interpretations and practical applications of Marxism–Leninism, as influenced by their respective geopolitics during the Cold War of 1947–1991. In the late 1950s and early 1960s, Sino-Soviet debates about the interpretation of orthodox Marxism became specific disputes about the Soviet Union's policies of national de-Stalinization and international peaceful coexistence with the Western Bloc, which Chinese founding father Mao Zedong decried as revisionism.
Jewish Autonomous OblastThe Jewish Autonomous Oblast (JAO; Yevreyskaya avtonomnaya oblast; yidishe avtonome gegnt, jɪdɪʃɛ avtɔnɔmɛ ɡɛɡnt) is a federal subject of Russia situated in the far east of the country, bordering Khabarovsk Krai and Amur Oblast in Russia and Heilongjiang province in China. Its administrative center is the town of Birobidzhan. The JAO was designated by a Soviet official decree in 1928, and officially established in 1934. At its height, in the late 1940s, the Jewish population in the region peaked around 46,000–50,000, approximately 25% of its population.
AeroflotPJSC Aeroflot Russian Airlines (ПАО "Аэрофло́т — Росси́йские авиали́нии", PAO Aeroflot — Rossiyskiye avialinii), commonly known as Aeroflot (pronˈɛəroʊˌflɒt or ˌɛəroʊˈflɒt; Аэрофлот, , ɐɛrɐˈfɫot), is the flag carrier and the largest airline of Russia. The airline was founded in 1923, making Aeroflot one of the oldest active airlines in the world. Aeroflot is headquartered in the Central Administrative Okrug, Moscow, with its hub being Sheremetyevo International Airport.
Jilin CityJilin City (, Mandarin pronunciation: ji2lin2), alternately romanized as Kirin (, IPA:/ki.rin/), is the second-largest city and former capital of Jilin province in northeast China. As of the 2020 census, 3,623,713 people resided within its administrative area of and 1,895,865 in its built-up (or metro) area consisting of four urban districts. A prefecture-level city, it is the only major city nationally that shares its name with its province. Jilin City is also known as the River City because of the Songhua River surrounding much of the city.
Battle of Lake KhasanThe Battle of Lake Khasan (29 July – 11 August 1938), also known as the Changkufeng Incident (Хасанские бои, Chinese and Japanese: ; Chinese pinyin: ; Japanese romaji: ) in China and Japan, was an attempted military incursion by Manchukuo, a Japanese puppet state, into the territory claimed and controlled by the Soviet Union. That incursion was founded in the Japanese belief that the Soviet Union had misinterpreted the demarcation of the boundary based on the Treaty of Peking between Imperial Russia and Qing China and the subsequent supplementary agreements on demarcation and tampered with the demarcation markers.
