High Quality Content by WIKIPEDIA articles! The Battle of Haman was one engagement in the larger Battle of Pusan Perimeter between United Nations (UN) and North Korean (NK) forces early in the Korean War from August 31 to September 19, 1950, in the vicinity of Haman County in South Korea. The engagement ended in a victory for the United Nations after large numbers of United States and Republic of Korea (ROK) troops repelled a strong North Korean attack on the town of Haman.