Macmahon Line : India and China. It was drawn up by Sir. Henry MacMahon.
Radcliffe Line : India and Pakistan. It was drawn up by Sir Cyril Radcliffe.
Hindenburg Line : Germany and Poland.
Medicine Line : Canada and the United States.
Order-neisse Line : Poland and Germany.
Marginal Line : France and Germany.
Mannerheim Line : Russia-Finland border. Drawn up by General Mannerheim.
Siegfried Line :Germany and France.
17th Parallel : North Vietnam and South Vietnam.
38th Parallel : North Korea and South Korea.
24th Parallel : India and Pakistan. This, however, is not recognized by India.
49th Parallel : USA and Canada
26th Parallel south is a circle of latitude which crosses through Africa, Australia and South America.
30th PARALLEL north is a line of latitude that Stands one-third of the way between the equator and the North Pole.
45th Parallel north is often called the halfway point between the Equator and the North Pole
