Conversation so far:
why did north korea attack south korea in 1950
The communist leader of North Korea, Kim Il Sung, decided to attempt to reunify Korea under his control. On June 25, 1950, Kim launched a surprise invasion of South Korea.
why was korea divided
When the Japanese empire was dismantled at the end of World War Two, Korea fell victim to the Cold War. It was divided along the 38th parallel.
who divided korea
With the declaration of the Soviet-Japanese War, the Soviet Union occupied the north of Korea, and the United States occupied the south.
how is the korean peninsula divided today
The Military Demarcation Line, sometimes referred to as the Armistice Line, is the land border or demarcation line between North Korea and South Korea.

Question: when was the line established
Self-contained rewrite: when was the military demarcation line established