Location of the Great Wall of Zhendong Haikou at the Beginning of the Khitan Regime
The Great Wall at the Zhendong Haikou(镇东海口)was built in 908 AD under the reign of Yelv Abaoji(耶律阿保机).This part of the Great Wall was a military engineering constructed in the east of the Liao River after the Khitan occupied the plain of the lower Liao River course.And it was used for pre-venting potential military threats from the Liaodong Peninsula and its adjacent region,defending the Bohai(渤海)state intensively and dispatching armies to the southwestern orientation.The Great Wall of Zhen-dong Haikou was built on the basis of the southwest offshore section of the Great Wall that built by the Goguryeo people in the 7th century.It started in the village of Liushu Town(柳树镇)of Yingkou City and extended northward about 100 miles to Niuzhuang Town(牛庄镇)of Haicheng City.After the Khitan con-quered the Bohai state,the territory of Khitan state extended to the Yalu River,and the military value of the Great Wall declined rapidly and the Great Wall was gradually abandoned.
Yelv AbaojiThe Great Wall of KhitanZhendong HaikouThe Great Wall of Goguryeo
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