Great Abatis Border is a chain of fortification lines, created by Muscovy to protect it from the rides of the Mongolo-Tatars. The abatis was built from the felled trees that were arranged as a barricade. It was also fortified by ditches and eath mounds. The width of the abatis mounts up to several hundred meters. In the most dangerous places the abatis was doubled, trebled etc., the gates and small wooden fortresses were created to check the passers. Muscovy (Moscow principality (княжество Московское) to Grand Duchy of Moscow (Великое Княжество Московское) to Russian Tsardom (Царство Русское) is a traditional Western name for the Russian state that existed from the 14th century to the late 17th century. ... The Mongol Invasion of Russia was an invasion of the medieval state of Kievan Rus by a large army of nomadic Mongols, starting in 1223. ... This article incorporates text from the public domain 1911 Encyclopædia Britannica. ...

Stone and wooden fortresses of the towns were also included in the Great Abatis Border. Among these towns were: Serpukhov, Kolomna, Zaraysk, Tula, Ryazan, Belyov. Serpukhov (Се́рпухов) (population 130,000) is an old Russian town in Moscow region, which is situated at the confluence of the Oka river and the Nara river. ... Kolomna (Russian: Коломна) is an ancient Russian city, founded in 1177 on the Moskva River and Oka River. ... Zaraysk is a town in Moscow Region, Russia, center of the Zaraysky district, which is situated about 100 km south from Moscow. ... Places named Tula include: Tula, Russia Tula, in the state of Hidalgo, Mexico Tula is also the professional name of model-cum-actress Caroline Cossey. ... Ryazan (Ряза́нь) is a city in Central Russia federal district, the administrative center of the Ryazan Oblast. ... Belyov (Russian: Белёв) is a town in Tula Oblast in Russia, located on the left bank of the Oka River. ...

As a fortification construction stretching for hundreds kilometers the Great Abatis Border is analogous to the Great Wall of China and the Hadrian's Wall. The Great Wall of China (Simplified: 万里长城; Traditional: 萬里長城; Hanyu Pinyin: ; literally Long City/Fortress of 10,000 Li¹), is an ancient Chinese fortification built circa 200 BC and greatly strenghtened from the 14th century until the beginning of the 17th century, during the Ming Dynasty, in order to protect the Ming... Pieces of Hadrians Wall remain near Greenhead and along the route, though large sections have been dismantled over the years to use the stones for various nearby construction projects. ...