KhabarovskKhabarovsk (Хабаровск xɐˈbarəfsk) is the largest city and the administrative centre of Khabarovsk Krai, Russia, located from the China–Russia border, at the confluence of the Amur and Ussuri Rivers, about north of Vladivostok. As of the 2021 Russian census, it had a population of 617,441. The city was the administrative center of the Far Eastern Federal District of Russia from 2002 until December 2018, when the status was given to Vladivostok. It is the largest city in the Russian Far East, having overtaken Vladivostok in 2015.
Niigata (city)is a city located in the northern part of Niigata Prefecture (Kaetsu area). It is the capital and the most populous city of Niigata Prefecture, and one of the cities designated by government ordinance of Japan, located in the Chūbu region of Japan. It is the most populous city on the west coast of Honshu, and the second populous city in Chūbu region after Nagoya. It faces the Sea of Japan and Sado Island. , the city had an estimated population of 779,049, and a population density of 1,072 persons per km2.
Allied intervention in the Russian Civil WarThe Allied intervention in the Russian Civil War consisted of a series of multi-national military expeditions that began in 1918. The initial impetus behind the interventions was to secure munitions and supply depots from falling into the German Empire's hands, particularly after the Bolsheviks signed the Treaty of Brest Litovsk, and to rescue the Allied forces that had become trapped within Russia after the 1917 October Revolution. After the Armistice of 11 November 1918, the Allied plan changed to helping the White forces in the Russian Civil War.
DalianDalian (,da:l'jɑːn) is a major sub-provincial port city in Liaoning province, People's Republic of China, and is Liaoning's second largest city (after the provincial capital Shenyang) and the third-most populous city of Northeast China (after Shenyang and Harbin). Located on the southern tip of the Liaodong peninsula, it is the southernmost city in both Liaoning and the entire Northeast.
KoreansKoreans are an East Asian ethnic group native to Korea. The majority of Koreans live in the two states of North and South Korea, which are collectively referred to as Korea. As of 2021, an estimated 7.3 million ethnic Koreans resided outside of Korea. Koreans are also an officially recognized ethnic minority in other Asian countries, including China, Japan, Kazakhstan, Russia, and Uzbekistan. Outside of Asia, sizeable Korean communities have formed in Germany, the United Kingdom, France, the United States, Canada, and Oceania.
Hokkaidois Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The largest city on Hokkaidō is its capital, Sapporo, which is also its only ordinance-designated city. Sakhalin lies about 43 kilometers (26 mi) to the north of Hokkaidō, and to the east and northeast are the Kuril Islands, which are administered by Russia, though the four most southerly are claimed by Japan.
MurmanskMurmansk (Мурманск; Murmánska; Мурман ланнҍ) is a port city and the administrative center of Murmansk Oblast in the far northwest part of Russia. It sits on both slopes and banks of a modest ria or fjord, Kola Bay, an estuarine inlet of the Barents Sea, with its bulk on the east bank of the inlet. It is in the north of the rounded Kola Peninsula which covers most of the oblast. The city is from the border with Norway and from the border with Finland.
IncheonIncheon (; intɕhʌ̹n; or Inch'ŏn; literally "kind river"), formerly Jemulpo or Chemulp'o (제물포) until the period after 1910, officially the Incheon Metropolitan City (인천광역시, 仁川廣域市), is a city located in northwestern South Korea, bordering Seoul and Gyeonggi to the east. Inhabited since the Neolithic, Incheon was home to just 4,700 people when it became an international port in 1883. Today, about 3 million people live in the city, making it South Korea's third-most-populous city after Seoul and Busan.
SochiSochi (Со́чи) is the largest resort city in Russia. The city is situated on the Sochi River, along the Black Sea in Southern Russia, with a population of 466,078 residents, and up to 600,000 residents in the urban area. The city covers an area of , while the Greater Sochi Area covers over . Sochi stretches across , and is the longest city in Europe, the fifth-largest city in the Southern Federal District, the second-largest city in Krasnodar Krai, and the sixth-largest city on the Black Sea.
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.