For 10 points, name this position held by Chun Doo-hwan, Syngman Rhee, and Kim Dae-jung.
A holder of this position narrowly escaped being killed by a bombing at a mausoleum in Yangon. Another holder of this position founded the Uri Party and was impeached as a result. After the corpse of a student killed by tear gas was found in Masan, the April Revolution forced this position's first holder to resign. The 1979 assassination of a man in this position by his security chief ended the (*) Yushin period and brought the man who ordered the Gwangju Massacre to power. Another holder of this position sought better relations with his country's neighbor through the Sunshine Policy. Holders of this office live in the Blue House, which was targeted in a 1968 raid in which Unit 124 crossed the DMZ. For 10 points, name this position held by Chun Doo-hwan, Syngman Rhee, and Kim Dae-jung.
A holder of this position narrowly escaped being killed by a bombing at a mausoleum in Yangon.
President of South Korea [or: President of the Republic of Korea]