.

Considering this, who established the 38th parallel?

Japan had ruled the Korean peninsula between 1910 and 1945. When Japan surrendered in August 1945, the 38th parallel was established as the boundary between Soviet and American occupation zones. This parallel divided the Korean peninsula roughly in the middle.

Additionally, why did North Korea cross the 38th parallel? 25 June 1950 Westad. In 1945 Korea had been divided along the 38th parallel, its industrial north being occupied by the Soviets and the agricultural south by the Americans. Soviet and American forces both withdrew, but North Korean forces invaded the south in June 1950 with Stalin's foreknowledge and approval.

One may also ask, what happens if you cross the 38th parallel?

When Japan's colonial hold on Korea ended with its defeat in 1945, United States forces entered the South and the Soviet Army took over in the North by mutual agreement, dividing the country at the 38th parallel. When discussions on Korea's future broke down in May 1946, the division became frozen.

When did MacArthur cross the 38th parallel?

25 June 1950