Individual #Tsushima  a naval battle in the Russo-Japanese War (1905); the Japanese fleet defeated the Russian fleet in the Korean Strait
  instance of:  #naval_battle
  part of:  #Russo-Japanese_War  Japanese victory in the war with Russia (1904-1905) gave Japan power over Korea and Manchuria
  part of:  #Korean_Strait__Korea_Strait  a strait between Korea and Japan; connects the East China Sea and the Sea of Japan

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