boundary line between north and south korea called
Military Demarcation Line The Military Demarcation Line (MDL), sometimes referred to as the Armistice Line, is the 154 mile-long land border or demarcation line between North Korea and South Korea. On either side of the line is the Korean Demilitarized Zone (DMZ). The MDL and DMZ were established by the Armistice at the end of the Korean War in 1953.[1]
Division of Korea The division of Korea between North and South Korea occurred after World War II, ending the Empire of Japan's 35-year rule over Korea in 1945. The United States and the Soviet Union each occupied a portion of the country, with the boundary between their zones of control along the 38th parallel.