North Korea born after World War II in 1945. Japan lost control of Korea to Allied and same way Germany was split. Korea was divided at the 38th parallel, with the Soviet Union administering the northern half and the United States administering the southern half.
Source: http://www.dummies.com/education/history/world-history/a-brief-history-of-north-korea/
RE: North Koreans face deportation in Trudeau's Canada, report says