Lanyang County
Lanyang County Spring and Autumn html called Huguan, Qin called Donghun, and the capital was located in Dongwucheng (now Lankao County 8 kilometers northeast of Zhuchang Village). Han in the first year of Jianyuan (140 BC), Donghun County was established, and Donghun County was changed to Dongming County in the Xin Dynasty (9 AD). In the second year of Xingding in Jin Dynasty (1218), the Dongming County Capital moved north to the present-day Shandong Province. In the first year of Tianxing in Jin Dynasty (1232), it was designated as Liuxiang in the southern part of Dongming County. It was named Lanyang Ding County in the Shou Township, and was named Lanyang County. The county capital was located in Liuqucheng (now 8 miles southeast of Lankao County, Henan Province), and belonged to Caozhou . In the 17th year of Zhizheng in the Yuan Dynasty (1357), the Yellow River flooded the old city of Donghun. The capital of Lanyang County was moved to Hanling (5 miles northeast of Lankao County), and belonged to Bianliang Road. In the first year of Hongwu in the Ming Dynasty (1368), the county seat was moved to Ma Estate (that is, Chengguan Town, Lankao County today), and belonged to Kaifeng Prefecture. The Qing Dynasty inherited the Ming system, and the name Lanyang has been used.
Name source: According to legend, The first year of Dazhongxiangfu in the Northern Song Dynasty (1008), Song Zhenzong Taishan Fengshan, passed by Yanggang, Dongming County. It was found that Yanggang's back slope was lush and fragrant, which was rare, so Song Zhenzong changed Yanggang to Langang. At that time, most villagers lived in Gangnan, so they called their place Lanyang.
Yifeng County
Yifeng County was the Yiyi area in the Spring and Autumn Period. Because there was no water nearby, Qin called it Wuyi, and later its place belonged to Donghun County. Dongming County was rebuilt in the fourth year of Jianlong 5 of the Northern Song Dynasty (963), and it was named after Yifeng Township. In the first year of Tianxing in Jin Dynasty (1232), some territorial counties were established, called Yifeng County, etc.
In the first year of Huangqing (1312), due to floods, Yicheng was rebuilt in Xiunanping City, Tong'an, Huanglinggang. The capital was located in the west of Hanxiangpo Village, Graojia Township, Lankao County, and belonged to Suizhou . In the 22nd year of Hongwu in the Ming Dynasty (1389), the county seat moved 25 miles south to Bailou Village (now Yifeng Town). Because it was shaped like a Kuitou City, Yifeng City, also known as Kuitou City, belonged to Kaifeng Prefecture. In the 49th year of Qianlong in the Qing Dynasty (1784), due to the Yellow River flood, the city was abolished. Later, Qili in the east was merged into Kaocheng County and Bali in the west was merged into Lanyang County.
Name source: "Yifeng County Chronicles" records: Yi is a county of vassals, and if it is enshrined with a seal, it is also named after the official who is enfeoffed. To prove the origin of the name "Yi Feng" is the name of Yi Yi and the Feng people.
Lanyi , Lanfeng
In the fifth year of Daoguang in the Qing Dynasty (1825), Yifeng was flooded, Lanyang and Yifeng merged, named Lanyi. In the first year of Xuantong in the Qing Dynasty (1909), in order to avoid the taboo of Emperor Xuantong, it was renamed Lanfeng. Lanfeng County has the following areas: Chengguan, Sanyisai, Yifeng, Jawying, Dongbatou, etc. in Lankao County.
Kaocheng, Lankao
Kaocheng County, Qin established Shouxian , and renamed Kaocheng County in the Eastern Han Dynasty. In 1954, Kaocheng County and Lanfeng County, which were merged and renamed, were merged and Lanfeng County, called Lankao County. The county town is still stationed in the original Lanfeng County to this day.
