On this day, 77 years ago, March 14, 1948 (February 4, 1948, the Battle of Luoyang was won. In order to cover the main force of the Liu and Deng Field Army to recuperate and coordinate the operations of the Northwest Field Army, in accordance with the instructions of the Central Military Commission, Chen Yi, Su Yu Field Army and Chen Geng and Xie Fuzhi Group Army each formed two columns to take advantage of the fact that the enemy's Pei Changhui Regiment was transferred from western Henan to the west and the troops were empty. Launch the Battle of Luoyang. On March 8, 1948, the Chen Su Field Army and the Chen Xie Corps blocked the aid troops and first attacked and attacked the key points on the Yanshi, Xin 'an, and Nita lines in the northeast and west of Luoyang, controlling favorable positions on the east and west sides, preventing the enemy from reinforcing and cutting off the enemy's aid routes. On the night of the 9th, the People's Liberation Army siege troops captured the four passes of Luoyang and basically eliminated the enemy in the periphery. On the evening of the 11th, the battle to attack the city wall began. The troops that attacked the East Gate first entered the city, and then the brigade of infantry quickly developed deep into the city. Subsequently, the siege troops from the south gate and west gate also invaded one after another, gathering from the southeast and west sides to the northwest. The remnants of the enemy are huddled in the core position that is easy to defend and difficult to attack in the northwest corner of the city and waiting for help. On the evening of the 14th, the siege troops launched a final attack, using blasting to clear the way, destroying the enemy's core fortifications, completely annihilating the enemy, and liberating Luoyang.