Foreign relations of South Korea
On January 18, 1952 The first president of South Korea Syngman Rhee declared that the vicinity of Dokdo was a territory of South Korea (Syngman Rhee line). Subsequently, some 3,000 Japanese fishermen who conducted fishery operations in this vicinity were captured. This incident, called the Dai Ichi Daihoumaru Ship case strained relations between South Korea and Japan.
President of South Korea
Moon Jae-in, former human rights lawyer and chief of staff to then-President Roh Moo-hyun, assumed post of President of South Korea on 10 May 2017 immediately upon being elected with a plurality of 41.1%, in contrast to 24.0% and 21.4% won by his major opponents, conservative Hong Joon-pyo and centrist Ahn Cheol-soo, respectively.