朝鲜海峡海战 是一场大韩民国海军与朝鲜人民军海军于韩战首日在朝鲜海峡上爆发的小规模海上战斗。1950年6月25日，一艘载满数百名朝鲜人民军第766独立步兵团士兵的运输艇试图在釜山登陆，却于航行途中遭遇正在执行巡逻任务的南韩军舰，前者随后在战斗过程中遭到击沉。该战役是韩战中爆发最早的水面战斗之一，并以南韩胜利告终。

The First Battle of Naktong Bulge was an engagement between United Nations Command (UN) and North Korean forces early in the Korean War from August 5–19, 1950 in the vicinity of Yongsan and the Naktong River in South Korea. It was a part of the Battle of Pusan Perimeter, and was one of several large engagements fought simultaneously. The battle ended in a victory for the UN after large numbers of US reinforcements destroyed an attacking North Korean division.

春川战役，又称春川大捷，是朝鲜战争开始后，朝鲜人民军越过38线全面南侵而发起的战役，结局是大韩民国国军胜利，成功撤退。但也在这场战役中，让大韩民国国军发现一些美械的不足，例如M3榴弹炮射程不够。

The Second Battle of Naktong Bulge was an engagement between United Nations Command (UN) and North Korean forces early in the Korean War from September 1 to September 15, 1950, along the Naktong River in South Korea. It was a part of the Battle of Pusan Perimeter, and was one of several large engagements fought simultaneously. The battle ended in a victory for the United Nations after large numbers of United States Army (US) troops repelled a strong Korean People's Army (KPA) attack.

The Battle of Ka-san was an engagement between United Nations Command (UN) and North Korean forces early in the Korean War from September 1 to September 15, 1950, in the vicinity of Ka-san , Chilgok County in South Korea. It was a part of the Battle of Pusan Perimeter, and was one of several large engagements fought simultaneously. The battle ended in a victory for the United Nations after large numbers of United States Army (US) and Republic of Korea Army (ROKA) troops repelled a strong Korean People's Army (KPA) attack.

The Battle of Yongsan was an engagement between United Nations Command (UN) and North Korean forces early in the Korean War from September 1–5, 1950, at Yongsan in South Korea. It was part of the Battle of Pusan Perimeter and was one of several large engagements fought simultaneously. The battle ended in a victory for the UN after large numbers of United States Army (US) repelled a strong Korean People's Army (KPA) attack.

In the Battle of the Bowling Alley , United Nations Command (UN) forces defeated North Korean forces early in the Korean War near the city of Taegu, South Korea. The battle took place in a narrow valley, dubbed the "Bowling Alley", north of Taegu. It followed a week of fighting between the Korean People's Army (KPA) 13th Division and the Republic of Korea Army's (ROKA) 1st Division along the latter's last defensible line in the hills north of the city. Reinforcements, including the US Army's 27th and 23rd Infantry Regiments were committed to bolster the ROKA defenses. This battle and several others were smaller engagements of the Battle of Pusan Perimeter.

The Battle of Chochiwon was an early engagement between United States and North Korean forces during the Korean War, taking place in the villages of Jeonui-myeon and Jochiwon in western South Korea on July 9–12, 1950. After four days of intense fighting, the battle ended in a North Korean victory.

The Battle of Yongdong was an engagement between United States and North Korean forces early in the Korean War. It occurred on July 22–25, 1950, in the village of Yongdong in southern South Korea. The newly arrived US Army 1st Cavalry Division was ordered there to cover the retreat of the US 24th Infantry Division after the Battle of Taejon. The 1st Cavalry Division soldiers, however, were untried in combat, and the North Korean Korean People's Army's (KPA) 3rd Division was able to outmaneuver them and force them back.

瓮津战役，是朝鲜战争开始后，朝鲜人民军越过38线全面南侵而发起的战役，结果是瓮津半岛落入人民军手中，亦标志著朝鲜战争爆发。