---
type: LearningResource
title: "International Boundary Lines Between Nations: Complete Guide to World's Most Important Borders 2025"
canonical: "https://www.easy2crack.com/study-materials/world-gk/international-boundary-lines-between-nations-EiBee5Wx"
subject: World GK
format: null
free: true
updated: null
tags: ["study-material", "notes", "world-gk"]
---
# International Boundary Lines Between Nations: Complete Guide to World's Most Important Borders 2025

## International Boundary Lines

- Radcliffe Line: Demarcates the boundary between India and Pakistan; drawn by Sir Cyril Radcliffe in August 1947.
- McMahon Line: Demarcates the frontier between Northeast India (Arunachal Pradesh) and Tibet (China); proposed by Sir Henry McMahon at the Simla Accord (1914).
- Line of Control (LoC): The military control line between the Indian-controlled and Pakistani-controlled parts of the former princely state of Jammu and Kashmir.
- 24th Parallel: Claimed by Pakistan as the correct boundary line in the Rann of Kutch region; not recognized by India.
- Durand Line: Separates Pakistan and Afghanistan; established in 1893 by Sir Mortimer Durand.
- 38th Parallel: Demarcates the border between North Korea and South Korea.
- 49th Parallel: Demarcates the border between the United States of America and Canada.
- 17th Parallel: Historically separated North Vietnam and South Vietnam before reunification.
- Maginot Line & Siegfried Line: Defensive fortification lines constructed on the borders between France and Germany.
- Oder-Neisse Line: Demarcates the international border between Germany and Poland.
- Mannerheim Line: A system of defensive fortifications built by Finland against the Soviet Union.

---

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