Oct. 18
1979 -- Martial law is declared in Busan and Masan after a series of violent anti-government protests in the southern coastal region. The tension spread nationwide, and eight days later on Oct. 26, then President Park Chung-hee was assassinated by his intelligence chief, Kim Jae-kyu.
2000 -- South Korea signs an extradition treaty with China.
2005 -- Subway Line No. 2 opens in the city of Daegu, about 240 kilometers southeast of Seoul. The opening was delayed by three years due to the Asian financial crisis.
2016 -- South Korea expresses deep concern over Japanese Prime Minister Shinzo Abe's sending of ritual offerings to the Yasukuni Shrine and the visit by a group of lawmakers to honor the war dead.
2018 -- President Moon Jae-in meets Pope Francis to deliver a verbal invitation from North Korean leader Kim Jong-un for the pope to visit Pyongyang. The pope was reported to have said he may visit the North Korean city following an official invitation.
2024 -- The National Intelligence Service confirms North Korea has decided to send about 10,000 troops to fight alongside Russia in the war against Ukraine.
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