Durand Line: Pakistan and Afghanistan
Hindenberg Line: Germany and Poland
Line of Control: Divide kashmir between India and Pakistan.
Maginot Line: France and Gemany
Mannerheim Line: Russia and Finland
McMohan Line: India and China
Oder Niesse Line: Germany and Poland
Radcliffe Line: Demarcation between India and Pakistan
Seigfrid Line: Germany and France
17th Parallel: North Vietnam and South Vietnam
24th Parallel: Line which Pakistan claims for demarcation between India and Pakistan. This, however ,is not recognized by India.
Mason-Dixon Line: Demarcation between four states in the United States.
26 Parallel: It is circle of latitude which crosses through Africa, Australia and South America.
36 Parallel: Southernmost boundary of State of Missouri with State of Arkansas.
49 Parallel: USA and Canada