1971 -- President Park Chung-hee declares a state of emergency in South Korea, citing a threatened invasion by North Korea. The move drastically curtails freedom of speech, thus helping him tighten his grip on power.
1979 -- The nation's electoral college, called the National Conference for Unification, picks interim leader Choi Kyu-hah as president. He fills the political vacuum created by the assassination of President Park Chung-hee at the hands of his intelligence chief, Kim Jae-kyu.
1994 -- A North Korean government delegation arrives in Washington for talks on improving ties between the two former battlefield foes, including a suggestion to establish liaison offices. It is the North's first official delegation to visit the United States.
2003 -- President Roh Moo-hyun promulgates a law that calls for the appointment of an independent counsel to probe allegations that his former aides took bribes.
2007 -- U.S. President George Bush sends a letter to North Korean leader Kim Jong-il as Washington worked to secure a complete list of North Korea's nuclear programs.
2008 -- North Korea says it will not speak to Japan in the six-party nuclear talks, with Tokyo refusing to provide its share of promised energy for Pyongyang.
2012 -- The International Olympic Committee says it has opened an investigation into a South Korean footballer's politically charged celebration of the country's bronze medal at the London Olympics. Midfielder Park Jong-woo celebrated South Korea's 2-0 win over Japan in the bronze medal match with a sign that read, in Korean, "Dokdo Is Our Territory." It was in support of South Korea's sovereignty over its easternmost islets, to which Japan has also laid claims for years.
(News Focus) Termination of military pact with Japan raises concerns over S. Korea-U.S. alliance
Another new missile highlights N.K.'s focus on conventional weapons amid nuclear talks
Trump's pressure on S. Korea raises concern about U.S. interests, alliance
Latest test indicates N. Korea's successful development of new ballistic missile: experts
Seoul-Tokyo ties tipped for deeper rift after Japan's expanded export control: experts