1962
December
- Major constitutional changes ratified in national referendum.
1963
October
- General Pak wins narrow victory over former President Yun Po-son in presidential elections.
December
- General Pak inaugurated as President of Third Republic.
1965
January
- National Assembly votes to send noncombat troops to South Vietnam.
August
- National Assembly approves dispatch of first combat troops to South Vietnam.
August-December
- South Korea-Japan normalization accords ratified and instruments of ratification exchanged.
1966
March
- National Assembly approves dispatch of additional combat troops to South Vietnam.
1967
February
- Korea-U.S. Status of Forces Agreement enters into force.
May
- Pak Chong-hui is reelected for a second term as President.
1968
January
- 31-man North Korean commando squad tries to seize Blue House (presidential mansion) in Seoul.
1969
October
- Constitutional change to permit presidential third term ratified in national referendum.
1971
April
- Pak Chong-hui wins third term in close election by defeating Kim Tae-chung of the New Democratic Party.
August
- Seoul proposes talks between North and South Korean Red Cross societies for purpose of reuniting families separated by the Korean war.
1971
September
- Informal talks between Red Cross societies start.
December
- President Pak declares state of national emergency to tighten controls on the population in conjunction with the North-South talks.
1972
August
- Formal Red Cross talks between North and South Korea begin.
October
- President Pak declares martial law and abrogates constitution preparatory to making major government changes.
November
- Constitution rewritten to give the President sweeping new powers.
December
- Pak Chong-hui elected to extended 6-year term.
1973
March
Withdrawal of South Korean forces from South Vietnam completed.
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