
1.Durand Line - India and Afghanistan(Demarcation line drawn in 1896 by Sir Mortimer Durand).
2.Radcliffe Line - India and Pakistan (Drawn in 1947 by Sir Cyril Radcliffe,Chairman of the Boundary Commission for India and Pakistan).
3.McMohan Line - India and China (Drawn by Sir Henry McMohan.The 1120km frontier line is not recognized by China.In 1962 Chinese crossed this line and invaded India.)
4.49th Parallel - USA and Canada.
5.17th Parallel - North Vietnam and South Vietnam (This line defined the boundary between them before the union).
6.38th Parallel - North Korea and South Korea.
7.Oder Niesse Line - Germany and Poland(Drawn after the Second World War).
8.Hindenberg Line - Germany and Poland (The line to which the Germans retreated in 1917 during First World War)
9.Maginot Line - France and Germany.(A line of fortification constructed by France for protection from Germany's attack).
10.Siegfried Line - Germany and France.(A line of fortification drawn up by Germany).
11.Mannerthiem Line - Russia and Finland.
12.24th Parallel - India and Pakistan.(It is the latitude line which Pakistan claimed should be the demarcation line the Kutch dispute.India rejected the claim)