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.
All labels observed (4)
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)]
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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.
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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.
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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.
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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.
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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 | Western Sahara, Advisory Opinion, I.C.J. Reports 1975, p. 12 ⓘ |
| concernsState |
Mauritania
ⓘ
Morocco ⓘ Spain ⓘ |
| concernsTerritory |
Western Sahara
ⓘ
linked to:
Spanish Sahara
|
| countryOfCourt | Netherlands ⓘ |
| court | International Court of Justice ⓘ |
| date | 1975-10-16 ⓘ |
| decisionFormat | majority opinion ⓘ |
| hasDissentingOpinions | true ⓘ |
| hasSeparateOpinions | true ⓘ |
| influenced |
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 (1975)
ⓘ
linked to:
Madrid Accords
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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: International Court of Justice advisory opinion on Western Sahara (1975) Description of subject: 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.
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)
ⓘ
linked to: International Court of Justice advisory opinion on Western Sahara (1975)
Madrid Accords
→
follows
→
Advisory Opinion on Western Sahara of the International Court of Justice
ⓘ
linked to: International Court of Justice advisory opinion on Western Sahara (1975)
International Court of Justice advisory opinion on Western Sahara (1975)
→
citation
→
Western Sahara, Advisory Opinion, I.C.J. Reports 1975, p. 12
ⓘ
linked to: International Court of Justice advisory opinion on Western Sahara (1975)
La Marche Verte
→
precededBy
→
International Court of Justice advisory opinion on Western Sahara (1975)
ⓘ