On this day 77 years ago, on October 20, 1948 (September 18, 1948 lunar calendar), the Battle of Liaoshen and the Battle of Black Mountain. The artillery positions of the People's Liberation Army in the Battle of Black Mountain On October 20, 1948, the second stage of the Battle of Liaoshen and the Battle of Western Liaoning began. After the Northeast People's Liberation Army captured Jinzhou, it decided to adopt the policy of luring the enemy deep and fighting a great war of annihilation, concentrating its main force to annihilate the "westward advancing corps" between Shenyang and Jinzhou. Chiang Kai-shek flew to Shenyang for the second time and determined that the "eastward advancing corps" and the "westward advancing corps" would continue to attack Jinzhou in an attempt to retake Jinzhou, and ordered the main force of the 52nd Army to seize the camp entrance in order to withdraw the northeastern troops to Guannei by inland or sea. On the 23rd, when the "westward advancing corps" reached the area near Black Mountain The 10th Column, which held on to the Black Mountain, resisted the continuous onslaught of the "Westward Corps" for three days and nights, buying time for the main force of the People's Liberation Army to advance eastward from Jinzhou. The Liao Yaoxiang Corps was surrounded in the Black Mountain area. In order to break through the siege, the Liao Corps launched an onslaught on the blocking People's Liberation Army. On October 24, Jiang's army captured three highlands of the People's Liberation Army one after another. While the two armies were fighting hand-to-hand with white blades on Stone Mountain, Jiang's army suddenly bombarded with artillery fire, and both sides were killed. Stone Mountain was occupied by Jiang's army. Then, Jiang's army launched several battles for the 92nd highlands, but the casualties were heavy, and a certain company of the People's Liberation Army also died. The 101st high ground held by the People's Liberation Army was finally captured by Jiang's army due to the At 6 pm, under the cover of artillery fire, the People's Liberation Army launched a four-way counterattack and regained all positions. Seeing that it was impossible to escape from Montenegro and Dahushan, Liao Yaoxiang stopped the attack on Montenegro. On the 25th, the "Westward Corps" retreated to Yingkou that night. Its avant-garde troops were intercepted by the Second Division of the People's Liberation Army, north of Tai'an, and then retreated to Shenyang. On the 26th, 200,000 of the 6 columns of the People's Liberation Army completed the encirclement of the "Westward Corps". That night, they launched an attack and divided the encirclement and annihilated. The fierce battle lasted until the morning of the 28th. The Ninth Corps of the Kuomintang Army, 5 military headquarters and 12 divisions totaled more than 100,000 people, and captured Liao Yaoxiang, deputy commander of the Northeast "General Suppression" and commander of the Ninth Cor