Tam Diep line

Tam Diep line

The Tam Diep defensive line relic area is called after the Tam Diep defensive line of the Tay Son insurgent army, built at the end of the Mau Than year (1788) to prepare forces for the speedy campaign, defeating 290,000 invaders. The Qing invaders and their gang sold the country to Le Chieu Thong in the early spring of Ky Dau (1789). At the end of the year Mau Than (1788), Le Chieu Thong's gang of traitors brought 290,000 Qing troops to invade our country. Faced with the initial strength of the enemy, Ngo Van So and Ngo Thi Nham and the Bac Ha generals retreated strategically to build the Tam Diep and Bien Son defense lines. The two water and land sides contacted each other to maintain the vulnerable position. . The Tam Diep Line is the final withdrawal limit of the Tay Son insurgent army, aiming to prevent and prevent enemy attacks, ensuring secrecy and safety for the rear in the South. When Quang Trung marched to the North, the Tam Diep line was the gathering place of the Tay Son insurgents (from December 20, Mau Than year, January 15, 1789 to December 30, Mau Than year, January 25, 1789). ). Temporary Line relic area, including 3 pass peaks of Tam Diep and a cluster of forts, Kem Do, Ong Ninh fort, Tam Diep fort, blocking Thien Ly road from the North to Thanh Hoa. Thien Ly road from North to South runs on 3 peaks of Tam Diep pass, the highest peak is about 110m. In the 16th century, taking advantage of the rugged terrain of the Tam Diep mountain range, the Le - Trinh feudal government built a number of ramparts on both North and South sides of Tam Diep pass and used Tam Diep as the boundary between the Southern and Southern dynasties. Northern Dynasty. At Kem That, on both sides of Thien Ly road, two ramparts were built connecting the cliffs to form a solid gate. About 400m north of Kem That is "Ong Ninh rampart", connecting two mountain ranges called Thanh mountain. In the middle of the rampart there is a path, on both sides there are stone embankments like "rampart gates". To the west of the rampart there is a moat about 8m wide, to prevent enemy attacks from coming in from Thien Ly road. About 100m away from this rampart is "Tam Diep post", about 1 acre in size, controlling the Thien Ly road north of the gate. When withdrawing from the strategy of building the Tam Diep defense line at the end of the year Mau Than (1789), the Tay Son insurgents used these strongholds, so there are many legends about Nguyen Hue and the Tay Son insurgents here. Local people believe that "Mr. Ninh's rampart" is the front door and "District Ke's rampart" is the back door of the Tay Son insurgents. The Tam Diep station in particular was used from the Le dynasty to the Tay Son dynasty and the Nguyen dynasty and belonged to the weakened Nguyen Quang Toan government, but was stationed in Tam Diep to fight against the Nguyen Anh government. When the Nguyen Dynasty was established, it also used Tam Diep post to control the Thien Ly road from North to South. At Kem That, two Thien Ly roads still have traces, two short ramparts connecting to the cliffs have been almost completely destroyed. Ong Ninh's rampart is still quite clear, 135m long, 15m wide, the main road, Tam Diep fort still have two faint traces on the eastern edge of the citadel. Currently, on the top of Tam Diep Pass, the highest pass (belonging to Thanh Hoa province), there is a stele with the poem "Qua Tam Diep Son" (through Tam Diep Mountain) carved in the 2nd year of Thieu Tri (1842), recording a poem written by Thieu Tri while on patrol here. On October 8, 1985, the Tam Diep defense line was recognized as a national historical relic Source: Department of Culture and Sports of Ninh Binh province

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