International Court of Justice advisory opinion on Western Sahara (1975)

E349794

International Court of Justice case advisory opinion advisory opinion on decolonization legal ruling

The International Court of Justice advisory opinion on Western Sahara (1975) was a landmark legal ruling that concluded Western Sahara was not terra nullius at the time of Spanish colonization and affirmed the Sahrawi people's right to self-determination.

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All labels observed (4)

Label	Occurrences
International Court of Justice advisory opinion on Western Sahara (1975) canonical	2
Advisory Opinion on Western Sahara of the International Court of Justice	1
International Court of Justice advisory opinion on Western Sahara	1
Western Sahara, Advisory Opinion, I.C.J. Reports 1975, p. 12	1

How this entity was disambiguated

This entity first appeared as the object of triple T3340375 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: International Court of Justice advisory opinion on Western Sahara (1975)
Context triple: [Green March, legalContext, International Court of Justice advisory opinion on Western Sahara (1975)]

A. Namibia Advisory Opinion (Legal Consequences for States of the Continued Presence of South Africa in Namibia)
The Namibia Advisory Opinion is a 1971 International Court of Justice ruling that declared South Africa’s continued presence in Namibia illegal and clarified the obligations of other states not to recognize or assist that situation.
B. Advisory Opinion on the International Status of South-West Africa
The Advisory Opinion on the International Status of South-West Africa was a landmark 1950 decision by the Permanent Court of International Justice that clarified the legal status of the former German colony under South African administration and the continuing obligations of the League of Nations mandate system.
C. International Court of Justice ruling of 2009
The International Court of Justice ruling of 2009 is a judgment by the UN’s principal judicial organ that settled a maritime boundary dispute between Romania and Ukraine in the Black Sea, clarifying the legal impact of Snake Island on the delimitation.
D. Advisory Opinion on the Nationality Decrees in Tunis and Morocco
The Advisory Opinion on the Nationality Decrees in Tunis and Morocco is a landmark 1923 decision of the Permanent Court of International Justice that clarified the limits of state sovereignty over nationality matters in the context of international obligations and the League of Nations mandate system.
E. International Court of Justice case France v. United Kingdom (1953)
The International Court of Justice case France v. United Kingdom (1953) was a territorial dispute in which the ICJ adjudicated sovereignty over the Channel Islands groups of Les Écréhous and Minquiers between the two states.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: International Court of Justice advisory opinion on Western Sahara (1975)
Target entity description: The International Court of Justice advisory opinion on Western Sahara (1975) was a landmark legal ruling that concluded Western Sahara was not terra nullius at the time of Spanish colonization and affirmed the Sahrawi people's right to self-determination.

A. Namibia Advisory Opinion (Legal Consequences for States of the Continued Presence of South Africa in Namibia)
The Namibia Advisory Opinion is a 1971 International Court of Justice ruling that declared South Africa’s continued presence in Namibia illegal and clarified the obligations of other states not to recognize or assist that situation.
B. Advisory Opinion on the International Status of South-West Africa
The Advisory Opinion on the International Status of South-West Africa was a landmark 1950 decision by the Permanent Court of International Justice that clarified the legal status of the former German colony under South African administration and the continuing obligations of the League of Nations mandate system.
C. International Court of Justice ruling of 2009
The International Court of Justice ruling of 2009 is a judgment by the UN’s principal judicial organ that settled a maritime boundary dispute between Romania and Ukraine in the Black Sea, clarifying the legal impact of Snake Island on the delimitation.
D. Advisory Opinion on the Nationality Decrees in Tunis and Morocco
The Advisory Opinion on the Nationality Decrees in Tunis and Morocco is a landmark 1923 decision of the Permanent Court of International Justice that clarified the limits of state sovereignty over nationality matters in the context of international obligations and the League of Nations mandate system.
E. International Court of Justice case France v. United Kingdom (1953)
The International Court of Justice case France v. United Kingdom (1953) was a territorial dispute in which the ICJ adjudicated sovereignty over the Channel Islands groups of Les Écréhous and Minquiers between the two states.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	International Court of Justice case ⓘ advisory opinion ⓘ advisory opinion on decolonization ⓘ legal ruling ⓘ
areaOfLaw	international law ⓘ law of decolonization ⓘ self-determination ⓘ
bindingNature	non-binding advisory opinion ⓘ
citation	International Court of Justice advisory opinion on Western Sahara (1975) self-linksurface differs ⓘ surface form: Western Sahara, Advisory Opinion, I.C.J. Reports 1975, p. 12
concernsState	Mauritania ⓘ Morocco ⓘ Spain ⓘ
concernsTerritory	Spanish Sahara ⓘ surface form: Western Sahara
countryOfCourt	Netherlands ⓘ
court	International Court of Justice ⓘ
date	1975-10-16 ⓘ
decisionFormat	majority opinion ⓘ
hasDissentingOpinions	true ⓘ
hasSeparateOpinions	true ⓘ
influenced	UN General Assembly resolutions on Western Sahara ⓘ surface form: United Nations practice on Western Sahara international discourse on the right of the Sahrawi people to self-determination ⓘ
language	English ⓘ French ⓘ
legalFinding	Western Sahara was inhabited by peoples socially and politically organized in tribes under chiefs competent to represent them ⓘ Western Sahara was not terra nullius at the time of Spanish colonization ⓘ certain legal ties of allegiance existed between Mauritanian entities and some of the tribes of Western Sahara ⓘ legal ties of allegiance existed between the Sultan of Morocco and some of the tribes of Western Sahara ⓘ the legal ties found did not affect the application of the principle of self-determination through the free and genuine expression of the will of the peoples of Western Sahara ⓘ the legal ties found did not amount to territorial sovereignty of Morocco or Mauritania over Western Sahara ⓘ
legalStatusOfTerritory	non-self-governing territory ⓘ
place	The Hague ⓘ
principleAffirmed	non‑applicability of terra nullius to Western Sahara at the time of colonization ⓘ self-determination of peoples ⓘ
recognizedRight	right of the Sahrawi people to freely determine their political status ⓘ right of the people of Western Sahara to self-determination ⓘ
relatedTo	Madrid Accords ⓘ surface form: Madrid Accords (1975) Sahrawi people ⓘ Spanish Sahara ⓘ
requestedBy	United Nations General Assembly ⓘ
subjectMatter	decolonization ⓘ self-determination ⓘ status of Western Sahara ⓘ territorial status of Western Sahara at the time of Spanish colonization ⓘ
typeOfProceeding	advisory proceedings ⓘ
UNResolutionRequestingOpinion	UN General Assembly Resolution 3292 (XXIX) ⓘ
year	1975 ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Green March → legalContext → International Court of Justice advisory opinion on Western Sahara (1975) ⓘ

Green March → precededBy → International Court of Justice advisory opinion on Western Sahara (1975) ⓘ

this entity surface form: International Court of Justice advisory opinion on Western Sahara

Madrid Accords → follows → International Court of Justice advisory opinion on Western Sahara (1975) ⓘ

this entity surface form: Advisory Opinion on Western Sahara of the International Court of Justice

International Court of Justice advisory opinion on Western Sahara (1975) → citation → International Court of Justice advisory opinion on Western Sahara (1975) self-linksurface differs ⓘ

this entity surface form: Western Sahara, Advisory Opinion, I.C.J. Reports 1975, p. 12

La Marche Verte → precededBy → International Court of Justice advisory opinion on Western Sahara (1975) ⓘ

All labels observed (4)

How this entity was disambiguated Show

Statements (46)

How these facts were elicited Show

Referenced by (5)

How this entity was disambiguated

How these facts were elicited