A line of fortifications in warfare
The Victoria Lines , a line of fortification in Malta built to divide the sparsely populated north of the island from the densely populated south Reconstruction of a Scythian defense line built around 339 BC in modern-day Hungary A defense line or fortification line is a geographically recognizable line of troops and armament, fortified and set up to protect a high-value location or defend territory.
A defense line may be based on natural difficult terrain features, such as rivers or marshes, mountain ranges, or coastlines; temporary field fortification works such as trenches ; and/or more permanent fortifications such as fortresses and bunkers .
List of defense lines Derbent Walls Some notable defense lines include:
Historical[a] Great Wall of China , ChinaSassanian defense lines Defense lines of the Netherlands Median Wall (before 401 BC)Limes Germanicus , GermanyHadrian's Wall , United Kingdom (122)Antonine Wall , United Kingdom (142)Offa's Dyke , Wales (early 5th century)The Pale , Ireland (late 12th century)Serpent's Wall , UkraineThe Zasechnaya cherta [ru] (Russian : Засечная черта )) on the southern and eastern borders of the Tsardom of Russia Western Russian fortresses , RussiaCivil War Defenses of Washington , United StatesVictoria Lines , Malta (1875)Hindenburg Line , France (1916)Maginot Line , France (1929)Schuster Line , LuxembourgMetaxas Line , Greece (1936-1941)Mannerheim Line , Finland (1939–1940)K-W Line , Belgium (1939)Siegfried Line , GermanyGothic Line , ItalyWinter Line (Gustav , Bernhardt and Hitler Lines), Italy (1943-1944)Panther–Wotan line , Russia (1943)Pusan Perimeter , South Korea (1950)McNamara Line , South Vietnam (1966)Bar Lev Line , Sinai Peninsula (1973)
Modern
Notes ^ Where given, dates in parentheses indicate when construction began.
References
Wikimedia Commons has media related to Linear fortifications .