2014 Event Social security numbers and credit cards details of more than 20 million South Koreans are stolen by an IT contractor 1997 Event 14 North Koreans defect to South Korea 1991 Event Japan ends routine fingerprinting of all adult ethnic Koreans 1987 Event 1 million South Koreans demonstrate against Chun Doo Hwan regime 1950 Event North Koreans troop reach Seoul, United Nations asks members to aid South Korea, Truman orders Air Force and Navy into Korean conflict
