What caused The Battle of Kyongju?
Battle of Kyongju
Holding a line north of P'ohang-dong, An'gang-ni, and Kyongju, the so-called "Kyongju corridor," the Republic of Korea Army I Corps was unexpectedly hit with an attack by the North Korean People's Army's II Corps, part of the wider Great Naktong Offensive. The South Korean troops, already demoralized and struggling to maintain a strong defensive line, were easily pushed back from their positions. US Army units were called in to assist the South Koreans repel the attack.