All Treaties

Geneva Conventions (I–IV)

RatifiedConventionhumanitarian-lawarmed-conflictwar-crimesprisoners-of-war
Date Adopted

1949-08-12

U.S. Ratification

1955-08-02

Summary

The four Geneva Conventions of 1949 form the core of international humanitarian law governing the conduct of armed conflict. Convention I covers wounded and sick soldiers on land; Convention II covers wounded, sick, and shipwrecked military at sea; Convention III governs prisoners of war; Convention IV protects civilians in wartime. Common Article 3 applies minimum standards to non-international armed conflicts.

Parties

196 States Parties (universal ratification)

U.S. Implementing Legislation

War Crimes Act of 1996

18 U.S.C. § 2441

Criminalizes grave breaches of the Geneva Conventions when committed by or against U.S. nationals or armed forces members.

Uniform Code of Military Justice

10 U.S.C. §§ 801–946a

Incorporates Geneva Convention obligations into military law and provides for enforcement through courts-martial.

Key Cases

Hamdi v. Rumsfeld, 542 U.S. 507 (2004) — Due process rights of U.S. citizen detained as enemy combatant

Hamdan v. Rumsfeld, 548 U.S. 557 (2006) — Military commissions must comply with Common Article 3

Boumediene v. Bush, 553 U.S. 723 (2008) — Habeas corpus extends to Guantánamo detainees

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