The name of Heyang was named "Heyang City" after Wei Wenhou built the city on the north bank of Qiachuan (now Xinli Village of Qiachuan Town) in the 17th year (429 BC). As early as the Neolithic Age, there were ancestors on the land of Heyang. In the tribal times, there were Xin tribes who lived in compact communities. About 2 1 century BC, Xia Qi named Zhi Zi Yuxin (now Heyang) as "You Guoxin", or Xin Guo for short, and it belonged to Zhou Yong. Because it was in Shang Dynasty. In the Western Zhou Dynasty, a Xinjiang state was changed to the mainland of Kyrgyzstan. In 770 BC, after Zhou Pingwang moved the capital to Luoyang, Xin State was abolished and merged into Jin State, which was called Shendi, Liangxia or Jixia in history. In the 22nd year of Jin Dynasty (the first 453 years), after the division of Han, Zhao and Wei, Xindi belonged to Wei's "land of Xihe River". In the seventeenth year of Wei Wenhou (429 BC), a city was built on the north bank of Heshui (also known as the water contact point, which was cut off in the early Qing Dynasty) on the west bank of the Yellow River, and it was named "Heyang City". The land of Xihe River, formerly known as Heyang. In the eighth year of Qin Huiwen (the first 330 years), the land of Xihe River in Wei County was in Qin, which was called "Heyang City" and belonged to the county of literature and history. In the third year of Qin Ershi (the first 207 years), Xiang Yu, the overlord of the western Chu Dynasty, divided the hinterland of Qin into three kingdoms, namely Sai, Yong and Zhai, which was called "Sanqin" in history and Heyang belonged to Sai. In the second year of Emperor Gaozu of the Western Han Dynasty (in the first 205 years), the fortress was destroyed, and Heyang belonged to Han, a county. In nine years (former 198), it was changed to an inner city and county. In the second year of Emperor Jingdi (former 155), he changed "He" to "He" and set up "Heyang County", which belongs to the county of literature and history. The first year of Taichu in Liang Wudi (BC 104) belonged to Zuofengyi County. In the first year of Jianwu (25th year), Guangwudi of the Eastern Han Dynasty entered xia yang County (now hancheng city) with Heyang. In the second year of Yongping in Ming Di (59 years), Heyang County was rebuilt, and Bi 'ai County (now Chengcheng County) was merged into Zuofengyi County. During the Three Kingdoms period, Heyang belonged to Fengyi County from the first year of Huang Chu, Wei Wendi (220) to the third year of Jianxing in the Western Jin Dynasty (3 150). During the Sixteen Kingdoms period, Heyang was occupied by former Zhao, later Zhao, former Qin, later Qin, Daxia and other countries, and the county was abolished. In the seventh year (446), Wu Tai of the Northern Wei Dynasty established Miyagi County (now Donggongcheng Village) in the northeast and Wuquan County (now Liangliang Shi Cun) in the south. In the 11th year of Emperor Xiaowen Taihe (487), Heyang County was established in the middle, and all three counties belonged to Huashan County. In the sixth year of the unification of West Wei Wendi (540), Heyang County was adjusted to Wudi County, Miyagi County and Wuquan County were adjusted to Chengcheng County. In the second year of Ming Di in the Northern Zhou Dynasty (558), the Ruluoshan area of Miyagi Prefecture and Wuquan County entered Heyang County, belonging to Chengcheng County. In the third year of Emperor Wendi (583), Heyang belonged to the same state. In the sixteenth year (596), the county government moved from the west bank of the Yellow River to the middle of the county (now the county seat) and changed Tongzhou to Fengyi County, which belongs to Heyang. In the first year of Wude in Tang Gaozu (6 18), Heyang belonged to the same state. In the third year (620), Hexi County was established along the Yellow River to the east of Heyang, and the two counties belonged to the same state. In the eighth year (625), Heyang County belonged to the state of West Korea, and in the eighth year of Taizong Zhenguan (634), it belonged to the same state. In the first year of Tianbao of Xuanzong (742), Heyang and Hexi counties belonged to Fengyi County. In the first year of Su Zonggan Yuan (758), it was renamed Tongzhou, and Heyang and Hexi counties belonged to it. In the third year of Gan Yuan (760), Hexi County was changed to xia yang County. Heyang County and xia yang County were in the middle of the river in the early Five Dynasties, and later they belonged to the same state. In the fourth year of Xining in North Song Shenzong (107 1), xia yang was removed and merged into Heyang County. Jin Xuanzong spent three years in Zhou Zhen's Zhenyue (12 15). In the 6th year of Yuan Dynasty (1269), Yuan Shizu belonged to the same state. In the Ming dynasty, it still belonged to the same state. In the 13th year of Yongzheng in Qing Dynasty (1735), Tongzhou was changed to the government, and Heyang was under its jurisdiction. 19 13, Heyang County belongs to Guanzhong Road. 1933, directly under Shaanxi province. 1938, Hongshiya area in the northwest mountainous area was returned to Huanglong reclamation area; Later it belonged to Huanglong County. The following year, Heyang County was under the jurisdiction of the Commissioner's Office of the Eighth Administrative Supervision District of Shaanxi Province. 1On March 26th, 948, Heyang was liberated and placed in Huanglong District of Shaanxi-Gansu-Ningxia Border Region Government. In 65438+February of the same year, Heyang County People's Government was established, and it was changed to the jurisdiction of Dali District of Shaanxi-Gansu-Ningxia Border Region Government. 1950 belongs to Weinan area of Shaanxi province. 1956 10 to 1958 12 are directly under the jurisdiction of Shaanxi province. 1958,65438+February, Heyang County was merged into Hancheng County, and on August 22nd, 196 1 resumed Heyang County, belonging to Weinan Special Zone. 1September, 964, the State Council changed the uncommon place name, and changed "He" to "He", which was called Heyang County. 1968 Weinan area was renamed Weinan area, and Heyang County still belongs to it. 1995 Weinan area was demolished to build a city, which belongs to Heyang County.