5 October 1910 Revolution

E249501

historical event revolution uprising

The 5 October 1910 Revolution was the uprising in Portugal that overthrew the monarchy and established the Portuguese First Republic.

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All labels observed (9)

Label	Occurrences
5 October 1910 Revolution canonical	9
5 October 1910 revolution	4
1910 Portuguese Republican Revolution	2
Proclamation of the Portuguese Republic	2
Revolução de 5 de Outubro de 1910	2
5 October 1910 revolution in Portugal	1
Portuguese Republican Revolution of 1910	1
Portuguese Republican revolution of 1910	1
Revolução Republicana de 5 de Outubro de 1910	1

How this entity was disambiguated

This entity first appeared as the object of triple T2257635 — 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: 5 October 1910 Revolution
Context triple: [Portuguese Crown, significantEvent, 5 October 1910 Revolution]

A. Carnation Revolution
The Carnation Revolution was a largely bloodless military-led uprising in Portugal on April 25, 1974, that overthrew the Estado Novo dictatorship and paved the way for democracy and decolonization.
B. 1 September Revolution
The 1 September Revolution was the 1969 military coup in Libya that overthrew King Idris I and brought Muammar Gaddafi to power, marking the start of his long rule and the establishment of a republic.
C. August Revolution
The August Revolution was the 1945 nationwide uprising in Vietnam that overthrew French colonial and Japanese occupation authorities, leading to the establishment of the Democratic Republic of Vietnam under Ho Chi Minh.
D. April Revolution
The April Revolution was a 1965 uprising in the Dominican Republic that sparked the Dominican Civil War and led to U.S. military intervention amid Cold War tensions.
E. Dekemvriana
Dekemvriana refers to the violent clashes in Athens in December 1944 between communist-led resistance forces and British-backed government troops, a pivotal crisis that foreshadowed the Greek Civil War.
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: 5 October 1910 Revolution
Target entity description: The 5 October 1910 Revolution was the uprising in Portugal that overthrew the monarchy and established the Portuguese First Republic.

A. Carnation Revolution
The Carnation Revolution was a largely bloodless military-led uprising in Portugal on April 25, 1974, that overthrew the Estado Novo dictatorship and paved the way for democracy and decolonization.
B. 1 September Revolution
The 1 September Revolution was the 1969 military coup in Libya that overthrew King Idris I and brought Muammar Gaddafi to power, marking the start of his long rule and the establishment of a republic.
C. August Revolution
The August Revolution was the 1945 nationwide uprising in Vietnam that overthrew French colonial and Japanese occupation authorities, leading to the establishment of the Democratic Republic of Vietnam under Ho Chi Minh.
D. April Revolution
The April Revolution was a 1965 uprising in the Dominican Republic that sparked the Dominican Civil War and led to U.S. military intervention amid Cold War tensions.
E. Dekemvriana
Dekemvriana refers to the violent clashes in Athens in December 1944 between communist-led resistance forces and British-backed government troops, a pivotal crisis that foreshadowed the Greek Civil War.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	historical event ⓘ revolution ⓘ uprising ⓘ
alsoKnownAs	5 October Revolution ⓘ Revolução de 5 de Outubro de 1910 ⓘ linked to: 5 October 1910 Revolution
belligerent	Portuguese Republican Party ⓘ republican revolutionaries ⓘ
cause	discontent with King Manuel II's government ⓘ growing republican opposition to the Portuguese monarchy ⓘ influence of republican and anticlerical movements ⓘ political instability in late constitutional monarchy of Portugal ⓘ
century	20th century ⓘ
commemoratedBy	Republic Day in Portugal ⓘ
commemoratedOn	5 October ⓘ
conflictType	political revolution ⓘ
country	Portugal ⓘ
endDate	1910-10-05 ⓘ
followedBy	Portuguese First Republic ⓘ linked to: First Portuguese Republic provisional government of the Portuguese Republic ⓘ linked to: Provisional Government of the Portuguese Republic
hasEffect	abolition of the Portuguese monarchy ⓘ establishment of a republican form of government in Portugal ⓘ
languageOfName	Portuguese ⓘ
leader	Afonso Costa ⓘ António José de Almeida ⓘ Cândido dos Reis ⓘ Machado Santos ⓘ Teófilo Braga ⓘ
location	Lisbon ⓘ
mainDate	1910-10-05 ⓘ
opponent	Kingdom of Portugal ⓘ Portuguese monarchy ⓘ linked to: Kingdom of Portugal royalist forces ⓘ
partOf	history of Portugal ⓘ
precededBy	Lisbon Regicide ⓘ reign of King Manuel II of Portugal ⓘ
primaryCity	Lisbon ⓘ
region	Iberian Peninsula ⓘ
result	establishment of the Portuguese First Republic ⓘ exile of King Manuel II of Portugal ⓘ overthrow of the Portuguese monarchy ⓘ proclamation of the Portuguese Republic ⓘ
scope	national ⓘ
significance	marked the beginning of the Portuguese First Republic ⓘ marked the end of the Portuguese monarchy ⓘ
startDate	1910-10-04 ⓘ
typeOfGovernmentEstablished	republic ⓘ
year	1910 ⓘ

How these facts were elicited

Referenced by (23)

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

Portuguese Crown → significantEvent → 5 October 1910 Revolution ⓘ

First Portuguese Republic → significantEvent → 5 October 1910 Revolution ⓘ

blue and white flag of the Portuguese monarchy → abolishedInContextOf → 5 October 1910 revolution in Portugal ⓘ