1945 (thirty-four years of the Republic of China) From July to August, the China Eighth Route Army's Shaanxi-Gansu-Ningxia Suiyuan Joint Defense Army counterattacked the Kuomintang troops invading Yataishan and other places in Guanzhong area.

1July, 945, War of Resistance against Japanese Aggression, China, near the final stage of the counterattack. Under this situation, the Kuomintang reactionaries, with the support of American imperialism, are actively preparing to attack the Shensi-Kansu-Ningsia border region, attempting to seize Guanzhong, threatening Yan 'an and containing the Eighth Route Army to expand the liberated areas behind Japan. From 15 to 19, Hu Zongnan, the acting commander of the first war zone, assembled Hancheng, yi river-facing defense forces and Henan front-line forces in Chunhua, Yaoxian, Tongguan and Xunyi respectively, and completed the encirclement of the Eighth Route Army's Guanzhong Military Division on three sides, about 1 1 division. On February1day, the 59th Division of Kuomintang Army and the 2nd Division of Cavalry temporarily organized Chunhua, Fangli Town and Tuqiao to attack Yetaishan and other places respectively. The new 4th Brigade and 6th Company of the Eighth Route Army stood firm. By the 23rd, this position will be still. The Kuomintang mobilized troops to prepare for the third division. Fighting until the evening of 27th, the newly formed Fourth Brigade Command voluntarily evacuated the frontline positions of Yetaishan, xiongjiashan, Guanzhuang, Yucun, Songjiawa, Yangjiagou Circle, Zhangjialing and Shiliyuan after giving heavy casualties to Kuomintang troops. Yetaishan is an important military place for Kuomintang troops to attack and the Eighth Route Army to defend the border area. After the Kuomintang troops invaded Yetaishan, they were temporarily guarded by the 3rd Regiment of the 59th Division, and assembled eight infantry divisions and 1 cavalry divisions in Jixian, Chunyang, Xinning and Xinzheng, ready to launch an all-out attack on the Shaanxi-Gansu-Ningxia Border Region. China * * * Central Military Commission, in order to enhance the strength of the divisions of Guanzhong Army and attack the Kuomintang Army, transferred the 358th Brigade, which is advancing to the counter-offensive front, back to Guanzhong. After receiving the order, the 358th Brigade, except the 7 16 Regiment, returned to Yan 'an for standby. The brigade led the 7 15 Regiment and the 8 Regiment to return to the front line of Guanzhong from Qingjian and Ganquan, and arrived at Fenghuang Mountain and Zhao Jin in Chunhua County on the 30th. The Central Military Commission of the Communist Party of China (CPC) decided to set up the downtown temporary headquarters, with Zhang Zongxun as the commander in chief to command the downtown troops in a unified way. The headquarters decided to take advantage of the unstable position of the Kuomintang army and launch a counterattack against it. On the night of August 8, Xin 1 Brigade and 1 Brigade 3 1 Battalion first attacked the Kuomintang army. After 1 day of fighting, Huyuan and xiongjiashan were recovered. On the morning of the 9th, 2nd Battalion of 8th Regiment of 358th Brigade cooperated with 4th Brigade16th Regiment. With the support of artillery fire, it quickly broke into the core position of the Kuomintang defenders in Yetaishan. After four hours of fierce fighting, they wiped out the Kuomintang defenders and regained the position of Yetai Mountain. At the same time, the 8th Regiment and 3rd Battalion cooperated with the 3rd Regiment to attack the positions of Old Zhuangzi and Songjiawa. The Kuomintang defenders suffered heavy casualties and retreated. At this time, other counter-offensive troops also defeated the Kuomintang army and launched a full-scale pursuit, expelling the Kuomintang army from the border area and recovering all the lost villages.