Ottoman conquest of the Morea

E194600

Ottoman–Byzantine conflict military campaign

The Ottoman conquest of the Morea was the mid-15th-century campaign in which the Ottoman Empire subdued and annexed the Peloponnese peninsula, extinguishing the last major Byzantine-held territory in mainland Greece.

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All labels observed (11)

Label	Occurrences
Ottoman conquest of the Morea canonical	6
Ottoman conquest of the Peloponnese	2
Ottoman expansion into the Peloponnese	2
Conquest of Morea (1460)	1
Morean (Peloponnesian) campaign against the Ottoman Empire	1
Ottoman advances into the Despotate of the Morea	1
Ottoman annexation of the Morea	1
Ottoman conquest of Athens in 1456–1458	1
Ottoman conquest of the Despotate of the Morea	1
Ottoman expansion into the Morea	1
Ottoman reconquest of Morea	1

How this entity was disambiguated

This entity first appeared as the object of triple T1703306 — 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: Ottoman conquest of the Morea
Context triple: [Despot of the Morea, endedBy, Ottoman conquest of the Morea]

A. siege of Missolonghi
The siege of Missolonghi was a pivotal and brutal Ottoman siege of the Greek-held town during the Greek War of Independence, remembered for the defenders’ heroic resistance and tragic mass exodus in 1826.
B. Salonika Expedition
The Salonika Expedition was an Allied military campaign during World War I in the Balkans, centered on forces based around the Greek port city of Salonika (Thessaloniki) to oppose Central Powers operations in the region.
C. Lazic War
The Lazic War was a protracted 6th-century conflict between the Eastern Roman (Byzantine) Empire and the Sasanian Persian Empire over control of the strategically vital kingdom of Lazica in the Caucasus region.
D. Siege of Constantinople 1422
The Siege of Constantinople in 1422 was an unsuccessful Ottoman attempt under Sultan Murad II to capture the Byzantine capital three decades before its eventual fall in 1453.
E. Great Turkish War
The Great Turkish War was a late 17th-century conflict in which a European coalition known as the Holy League fought the Ottoman Empire, leading to significant territorial losses for the Ottomans in Central and Eastern Europe.
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: Ottoman conquest of the Morea
Target entity description: The Ottoman conquest of the Morea was the mid-15th-century campaign in which the Ottoman Empire subdued and annexed the Peloponnese peninsula, extinguishing the last major Byzantine-held territory in mainland Greece.

A. siege of Missolonghi
The siege of Missolonghi was a pivotal and brutal Ottoman siege of the Greek-held town during the Greek War of Independence, remembered for the defenders’ heroic resistance and tragic mass exodus in 1826.
B. Salonika Expedition
The Salonika Expedition was an Allied military campaign during World War I in the Balkans, centered on forces based around the Greek port city of Salonika (Thessaloniki) to oppose Central Powers operations in the region.
C. Lazic War
The Lazic War was a protracted 6th-century conflict between the Eastern Roman (Byzantine) Empire and the Sasanian Persian Empire over control of the strategically vital kingdom of Lazica in the Caucasus region.
D. Siege of Constantinople 1422
The Siege of Constantinople in 1422 was an unsuccessful Ottoman attempt under Sultan Murad II to capture the Byzantine capital three decades before its eventual fall in 1453.
E. Great Turkish War
The Great Turkish War was a late 17th-century conflict in which a European coalition known as the Holy League fought the Ottoman Empire, leading to significant territorial losses for the Ottomans in Central and Eastern Europe.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	Ottoman–Byzantine conflict ⓘ military campaign ⓘ
belligerent	Byzantine loyalist forces ⓘ Despotate of the Morea ⓘ Ottoman Empire ⓘ
chronology	mid-15th century ⓘ
commandedBy	Sultan Mehmed II ⓘ linked to: Mehmed II
commander	Mehmed II ⓘ
conflict	Despotate of the Morea ⓘ Ottoman Empire ⓘ
countryInvolved	Byzantine Empire ⓘ Ottoman Empire ⓘ
endTime	1460 ⓘ
followedBy	Ottoman consolidation of southern Greece ⓘ
follows	Fall of Constantinople ⓘ linked to: Fall of Constantinople 1453 AD
hasCause	Ottoman policy of territorial expansion ⓘ fall of Constantinople ⓘ weakening of the Byzantine Empire ⓘ
hasEffect	annexation of the Morea by the Ottoman Empire ⓘ end of major Byzantine rule in mainland Greece ⓘ end of the Despotate of the Morea ⓘ integration of the Peloponnese into the Ottoman provincial system ⓘ
historicalRegionAffected	Byzantine Morea ⓘ linked to: Despotate of the Morea
historicalSignificance	extinguished last major Byzantine-held territory in mainland Greece ⓘ
involvedEvent	flight of Thomas Palaiologos to the West ⓘ submission of local Greek lords ⓘ surrender of remaining fortresses in 1460 ⓘ
locatedIn	Morea ⓘ Peloponnese ⓘ mainland Greece ⓘ
opponent	Despotate of the Morea ⓘ local Albanian and Greek forces ⓘ
opposingCommander	Demetrios Palaiologos ⓘ Thomas Palaiologos ⓘ local Greek magnates ⓘ
partOf	Ottoman expansion into the Balkans ⓘ linked to: Ottoman territorial expansion history of the Ottoman Empire ⓘ history of the Peloponnese ⓘ
precededBy	Ottoman–Byzantine wars ⓘ linked to: Byzantine–Ottoman wars
result	Ottoman victory ⓘ
significantBattle	Siege of Corinth (1458) ⓘ Siege of Patras (1458) ⓘ campaign of 1460 in the Morea ⓘ
startTime	1458 ⓘ
territorialChange	Morea annexed by the Ottoman Empire ⓘ
timePeriod	Late Middle Ages ⓘ
usedMilitaryStrategy	fortress reduction ⓘ rapid cavalry raids ⓘ siege warfare ⓘ

How these facts were elicited