Example image of eyePlorer eyePlorer map for 'Korean War': Armistice North Korea South Korea War Division of Korea Korea under Japanese rule 38th parallel north United Nations United States People's Republic of China Yalu River Korean Demilitarized Zone De facto Civil war Cold War Proxy war Infantry Military science Tactical bombing World War I World War II Stalemate Trench warfare Declaration of war by the United States Police action Vietnam War Emperor Gojong of the Korean Empire Empire of Japan First Sino-Japanese War Hegemony Korean Empire Qing Dynasty Eulsa Treaty Japan–Korea Annexation Treaty Protectorate Russian Empire Russo–Japanese War Intelligentsia Korean nationalism Shanghai Syngman Rhee Communism Japanese Army Unfree labour National Revolutionary Army People's Liberation Army Burma Campaign Kim Il-sung War effort Collaborationism