열린우리당
Legislative elections were held in the Republic of Korea on April 15, 2004. In the 17th election for the National Assembly, voters elected 299 members of the legislature. The newly formed Uri Party and other parties supporting President Roh Moo-hyun, who was impeached by the outgoing National Assembly, won a majority of seats. This was the first time a centre-left liberal party won a majority in the National Assembly.