The quarter-century undertaking finished; then departure from POSCO, years abroad, a return to politics, and the office of Prime Minister.
- 1991age 64
POSTECH holds its first commencement.
- 1992age 65
The fourth phase at Gwangyang is completed and with it the quarter-century undertaking at POSCO, reaching 21 million tonnes of crude steel a year. He resigns as chairman, is named honorary chairman, and retires from politics.

The Gwangyang Works - 1993age 66
Begins his years abroad.
- 1997age 70
Wins the by-election for the Buk-gu seat in Pohang. Joins the “DJT” alliance and becomes president of the United Liberal Democrats.

Greeting Pohang citizens after winning the by-election for the Buk-gu seat (July 1997) - 1999age 72
Meets President Kim Dae-jung weekly, working on economic recovery and political reform.

In conversation with President Kim Dae-jung - 2000age 73
Steps down as president of the United Liberal Democrats and takes office as Prime Minister. Resigns on 19 May.
※ For every period in one table, see the full chronology.