| 1951 |
Prime Minister Jang Taek-sang's Secretary |
| 1954-1958 |
3rd member of the House of Representatives(Liberal Party, Guje) |
| 1955 |
Young Director of Democratic Party |
| 1960-1961 |
5th member of the House of Representatives(Democratic Party, Western Area of Busan) |
| 1961 |
Floor leader of New Democracy Party |
| 1963 |
Democratic Party, Spokesperson |
| 1963-1967 |
6th member of the National Assembly(Democracy Party, West Area of Pusan) |
| 1965-1967 |
Floor leader, Spokesperson of Peoples Democratic Party |
| 1967-1969 |
Floor leader of New Democracy Party |
| 1967-1971 |
7th member of the National Assembly(New Democracy Party, West Area of Pusan) |
| 1971-1972 |
8th member of the National Assembly(New Democracy Party, West Area of Pusan) |
| 1971 |
Director of Korea Research Institute |
| 1973-1979 |
9th member of the National Assembly(New Democracy Party, East Area of Pusan) |
| 1973 |
Vice-president of New Democracy Party, Vice-chairperson of Executive Policy Council |
| 1974-1976 |
5th President of New Democracy Party, Chairman of Direction Committee |
| 1974 |
Chairman of Executive Policy Council of New Democracy Party |
| 1976 |
Adviser of New Democracy Party |
| 1979-1980 |
10th member of the National Assembly(New Democracy Party, West and East Area of Pusan) |
| 1979 |
President of New Democracy Party |
| 1979 |
Provisional disposition of the suspension of performing duties of the President, expulsion from National Assembly |
| 1980 |
Regulation on political activities |
| 1980-1981 |
1st confinement |
| 1981 |
Organization of Democratic Alpine Club, adviser |
| 1982-1983 |
2nd confinement , hunger strike (for 23 days) |
| 1985 |
Adviser of Institute for Research in Collaborationist Activities |
| 1986-1987 |
Permanent post adviser of Korean Nationalist Democratic Party, adviser of Headquarter of National Democratic Constitution Campaign |
| 1987 |
Formation of Democratic Reunification Party, president |
| 1987 |
Candidate for 13th Presidential Election(Democratic Reunification Party) |
| 1988-1992 |
13th member of the National Assembly(Democratic Party, Western Area of Busan) |
| 1990 |
supreme council representative of United Democratic Party, Democratic Liberal Party, and Democratic Liberal Party |
| 1992-1992 |
14th member of the National Assembly(Democratic Liberal Party, nationwide constituency) |
| 1992 |
Candidate for the 14th presidential election(Democratic Liberal) |
| 1992-1996 |
Head of Democratic Liberal |
| 1992 |
Won in the 14th presidential election |
| 1993-1998 |
14th President of South Korea |
| 1995-1997 |
President of New Korea Party |
| 1997 |
Honorary President of New Korea Party |
