185 1- 1860, the ancestor Zheng led the whole village to build a tall castle with a wall of 700-800 meters at the top of Changshan Mountain in order to defend the Nian army from Xuzhou. The ruins of the city wall still remain nearly 100 meters. 1933, Zheng Ze, a villager in Chunshankou Village, damaged the ancestral grave tablet at the foot of Changshan Mountain in Xiuhuichuan, the head of the Kuomintang East Village, because of the cow. Xiuhuichuan forced Zheng Zejia to hire a number of Taoist priests, 16 people mourned and marched in the streets of Dai Xiao, setting up a new monument for Zheng Zejia. As a result, Zheng Ze went bankrupt and his family was ruined. 1942 1 65438+10/21day, the Japanese army swept through Jiaodong, and the whole village, led by district cadres, rushed out of the enemy encirclement at night and moved to Zhaohushan. Villager Zheng was captured by the enemy. In July 1947, the land reform review campaign was launched. In the same year1October 1 1 February 10, the people of the whole village gave full support to the encirclement and suppression of the Kuomintang 54th division by the 13th column of the People's Liberation Army. The villagers consciously sent their door panels and suitcases to the front to build fortifications; The militia sent ammunition and the young women's team rescued the wounded. At the end of the battle, the 13th column presented a banner embroidered with the words "our patron saint" to Yamaguchi village. 12 school building, 10 brigade office and 1 auditorium were built at 1976, with a height of18m. 1977, Qi Xin, the whole village, worked together to build a flat pond with a length of 70 meters, a width of 50 meters and a depth of 5.5 meters behind the village, with an irrigation area of 33.33 hectares. 1998 cults spread in this village. The two have joined cult organizations and gone abroad many times. After education and reform, both of them have turned over a new leaf. 1999 10 In order to make full use of the existing water source in Pingtang, we invested 1 20,000 yuan to lay1pipeline on the east and west sides of the village, with a total length of 1000 meters. In the autumn of 2000, in order to clean up the environment, the village invested 40 thousand yuan to fill up the old river in the middle of the village and build a spacious street. June 5438+October 2002 10, the overflow reinforced concrete slab dam was built, with a river width of 70 meters, a storage dam length of 1 050 meters and a storage capacity of 55,000 cubic meters.