1945 -- Korea is liberated from Japan's colonial rule, which began in 1910. On the same day, Yeo Un-hyung (1886-1947), a left-leaning nationalist, sets up a national foundation preparation committee.
1948 -- The government of the Republic of Korea, or South Korea, is established.
1953 -- The South Korean government moves the country's capital back to Seoul from Busan, a port city 453 kilometers southwest of Seoul. The government made the switch to Busan after North Korea started the Korean War in June 1950.
1974 -- Moon Se-kwang, a 23-year-old Korean-Japanese man, attempts to assassinate then President Park Chung-hee at a ceremony to mark the anniversary of Korea's liberation from Japan's colonial rule. Park was not injured, but his wife, Yook Young-soo, suffered a fatal gunshot wound to the head. Moon was arrested, sentenced to death and executed.
1995 -- The South Korean government starts to demolish a building used as the Japanese governor-general's office during Japan's colonization of the Korean Peninsula.
2000 -- The first reunions of separated families from South and North Korea since the division of the peninsula in 1948 are held in Seoul and the North's capital Pyongyang. The reunions were arranged in accordance with an agreement at the historic inter-Korean summit in Pyongyang in June 2000.
2005 -- South and North Korea hold a reunion of 40 separated families via video for the first time.
2010 -- South Korean President Lee Myung-bak proposes a three-stage reunification plan with North Korea and introduces a "unification tax" to prepare for the huge financial burden expected if the two Koreas are reunited.
2012 -- South Korea expresses regret after Japanese Cabinet members and lawmakers resumed the long-condemned ritual of paying homage at a Tokyo shrine seen as a symbol of Japan's imperialistic past.
2014 -- Pope Francis prays for those who lost their lives in the Sewol ferry sinking that claimed about 300 lives and met with representatives of the survivors and bereaved families during his South Korean trip.
(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