After the invasion of Manchukuo during World War II, the Soviet Union unilaterally occupied many of the islands along the Amur River and prevented Chinese locals from entering.
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The Khasansky District lies near the Sino-North Korean border and the Sino-Russian border and included two disputed regions along the Tumen River.
Soviet Union | 1991 | 1991 in music | Second Sino-Japanese War | Soviet Navy | North American Free Trade Agreement | Soviet Army | Border Union Railway | Border Counties Railway | Communist Party of the Soviet Union | Russian Soviet Federative Socialist Republic | 1991 in television | Soviet war in Afghanistan | border | Munich Agreement | 1991–92 in English football | Schengen Agreement | Central Committee of the Communist Party of the Soviet Union | Beauty and the Beast (1991 film) | Potsdam Agreement | Good Friday Agreement | border crossing | 1991 in film | United States Border Patrol | Soviet Union national football team | Canada–United States border | Soviet Air Forces | First Sino-Japanese War | Comprehensive Peace Agreement | 1991 Rugby World Cup |