1953 — South Korea and the United States sign a mutual defense treaty about three months after the Armistice Agreement ending the Korean War was signed.
1958 — South Korea establishes diplomatic relations with Thailand.
1999 — North Korean leader Kim Jong-il meets with Chung Ju-yung, the founder of Hyundai Group, during his visit to Pyongyang for discussions on tourism and other business ventures in the communist country. Chung died two years later.
2005 — The Seoul metropolitan government finishes restoration of the Cheonggye Stream in central Seoul around 47 years after it was buried under layers of concrete.
2014 — South Korea and Japan hold strategic dialogue in Tokyo for the first time in nearly two years to discuss an array of bilateral issues and North Korea’s nuclear program.
2019 — North Korea’s First Vice Foreign Minister Choe Son-hui is quoted by the North’s official Korean Central News Agency as saying Washington and Pyongyang have agreed to hold “preliminary contact on Oct. 4 and hold working-level negotiations on Oct. 5.”