List of International Boundary Lines between Countries

Ø   17th Parallel is the boundary between North Vietnam and South Vietnam before the two were united. 

Ø   24th Parallel is the line which according to Pakistan is the boundary between India and Pakistan. This, however, is not recognised by India. 

Ø   26th Parallel south is latitude which crosses through Africa, Australia and South America. 

Ø   30th Parallel north stands one-third of the way between the equator and the North Pole. 

Ø   33rd Parallel north cuts through the southern United States, parts of North Africa, parts of the Middle East and China. 

Ø   35th Parallel north forms the boundary between the State of North Carolina and the State of Georgia, the State of Tennessee and the State of Georgia the State of Alabama. 

Ø   36030’ Parallel north is the boundary between the Tennessee and Commonwealth of Kentucky between the Tennessee River and the Mississippi. 

Ø   37th Parallel north formed the southern boundary of the historic and extralegal Territory of Jefferson. 

Ø   38th Parallel is the parallel of latitude which separates North Korea and South Korea. 

Ø   39th Parallel north is an imaginary circle of latitude that is 39 degrees north of the Earth’s equatorial plane. 

Ø   40th Parallel north is the boundary of the British Colony of Maryland. 

Ø   41th Parallel north is the boundary between Nebraska and Wyoming and the southern boundary of Wyoming with Colorado and Utah. 

Ø   42nd Parallel north is at the New York - Pennsylvanian Border. 

Ø   43rd Parallel north lies between the State of Nebraska and the State of South Dakota. 

Ø   The Parallel 440 north is 44 degrees north of the equatorial plane. 

Ø   45th Parallel north also called the halfway point between the Equator and the North Pole. 

Ø   45th parallel is the boundary between Wyoming and Montana. 

Ø   49th Parallel is the boundary between USA and Canada. 

Ø   Radcliffe Line was drawn by Sir Radcliffe. It marked the boundary between India and Pakistan. 

Ø   Marginal Line was the 320 km line of fortification built by France along its border with Germany before World War II, to protect its boundary from German attack. 

Ø   Mannerheim Line is the line of fortification on the Russia Finland border. Drawn up by General Mannerheim. 

Ø   Medicine Line is the border between United States and Canada. 

Ø   Hindenburg Line is the boundary dividing Germany and Poland. 

Ø   Mason-dixon Line is a line of demarcation between four states in the United States. 

Ø   Order-neisse Line is the border between Poland and Germany, running along the Order&Beisse rivers, adopted at the poland Conference (August 1945). 

Ø   Siegfried Line is the line of fortification drawn up by Germany on its border with France. 

Ø   Durand Line is the boundary line between Afghanistan and Pakistan. It was drawn up in 1896 by Sir Mortimer Durand. 

Ø   Macmahon Line was drawn up by Sir. Henry MacMahon, demarcating the frontier of India&China. China did not recognize the MacMahon line and crossed it in 1962.

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