78 years ago today, on May 16th, 1947 (March 26th, 1947), the Ruan Yin mountain district of Mengjiang was victorious. On May 16th, 1947, the Ruan Yin mountain district of Mengjiang was victorious. At the beginning of May, the National Party Army's 3 regiments of 17 regiments, from Yin mountain and Tainan line three directions to the north-east. On the 13th, when the enemy regiment of 74 divisions emerged to the north-east port of Mengjiang, the Liberation Army launched a fierce offensive, divided the division surrounding the Mengjiang mountain district, and fought until the 16th, destroying the so-called Chongqing Five main force, the American mechanical equipment regiment of 74 divisions