The origin of Longmen

Origin of Longmen: In the fifth year of Hongzhi in Ming Dynasty, the border between Conghua and Zengcheng was vast, the mountains were steep and thieves mushroomed. In order to strengthen the management and rule of this area, the government governor suggested setting up an office here, so in the ninth year of Hongzhi in Ming Dynasty, he approved the analysis of Xilin, Pingkang, Jinniu and parts of Boluo County in the northeast of Zengcheng County, and established Longmen County, which was subordinate to guangzhou fu and inherited from Yuan. County governance is located in Qixinggang, Xilin Department, with dangerous terrain, which is the hub of land and water transportation. It is called Longmen, hence the name Longmen County.

Panyu County was established in the 24th year of Qin Shihuang (the first 223 years), and Longmen belongs to Panyu County. In the sixth year of Jian 'an in the Eastern Han Dynasty (20 1), Zengcheng County was separated from Panyu County, and Longmen belonged to Zengcheng County.

In the ninth year of Hongzhi in Ming Dynasty (1496), Xilin, Pingkang, Jinniu in the northeast of Zengcheng County and a small part in the northwest of Boluo County were divided into Longmen County, with Xilin Qixinggang in the county. The county was originally the Shanglongmen area in Zengcheng County, so it was named after Longmen.

Longmen County was subordinate to guangzhou fu from the founding of the county to the end of Qing Dynasty. In the first year of the Republic of China (19 12), it was under the jurisdiction of Guangdong viceroy; In the third year of the Republic of China (19 14), it belonged to Yuehai Road; After ten years of the Republic of China (192 1), he moved to Guangdong province.

In 25 years (1936), it belonged to the fourth administrative supervision area. In 36 years (1947), it belonged to the fifth (special) administrative supervision area. In the 38th year of the Republic of China (1949), Longmen County was liberated on August 27th, belonging to Dongjiang area. 1952165438+10 month, under the Guangdong Central Administrative Office.

The geographical environment of Longmen County:

1, landform

Longmen County is located between Jiulian Mountain and Luofu Mountain. Jiulian Mountain extends to the county territory, and branches to the east and southeast to connect with Luofu Mountain. The territory is ups and downs, and the mountains overlap and crisscross, forming a "land of mountain countries".

The terrain is inclined from northwest to southeast, with a small top and a large bottom, and the height is very different. There are many high mountains in the northwest and southwest, and many low hilly basins in the east and south. There are 65,438+00 river valleys with an area of 5-70 square kilometers between mountains and hills.

2. Climate

Longmen County is located in the north-central part of Guangdong Province, with a subtropical monsoon climate. Mountain area is one of the main reasons that affect the climate difference in Longmen County, which leads to the diversity and complexity of the climate in this county and has obvious mountain climate characteristics.

The north wind prevails in winter and the south wind prevails in summer. Warm spring comes late, the temperature rises quickly at the end of spring, there is much rain in summer, and cool in autumn comes early. The temperature in autumn drops obviously, and the temperature difference between day and night in winter is large, with different degrees of low temperature and frost weather.

Reference to the above content: Baidu Encyclopedia-Longmen County