Sack of Constantinople in 1204

E76417

battle of the Crusades historical event siege

The Sack of Constantinople in 1204 was a devastating capture and plunder of the Byzantine capital by Western European Crusaders, which fatally weakened the Byzantine Empire and reshaped the political and religious landscape of the Eastern Mediterranean.

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All labels observed (12)

Label	Occurrences
Sack of Constantinople (1204)	9
Latin occupation of Constantinople	2
Sack of Constantinople	2
Sack of Constantinople in 1204 canonical	2
Fourth Crusade	1
Fourth Crusade sack of 1204	1
Fourth Crusade sack of Constantinople	1
Fourth Crusade siege of 1204	1
Latin domination of Constantinople	1
Siege of Constantinople (1203)	1
The Entry of the Crusaders into Constantinople	1
approach and siege of Constantinople by the Fourth Crusade	1

How this entity was disambiguated

This entity first appeared as the object of triple T610918 — 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: Sack of Constantinople in 1204
Context triple: [Byzantine Empire, event, Sack of Constantinople in 1204]

A. Fall of Constantinople 1453 AD
The Fall of Constantinople in 1453 AD was the Ottoman conquest of the Byzantine capital, marking the end of the Eastern Roman Empire and a pivotal shift in the balance of power between Europe and the Islamic world.
B. 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.
C. Sack of Baghdad (1258)
The Sack of Baghdad (1258) was the devastating Mongol conquest and destruction of the Abbasid capital, which effectively ended the Abbasid Caliphate’s political power and marked a major turning point in Islamic and world history.
D. Sack of Rome 455 AD
The Sack of Rome in 455 AD was a pivotal event in the decline of the Western Roman Empire, when the Vandal king Genseric led his forces in a two-week plundering of the city.
E. Siege of Acre
The Siege of Acre was a pivotal 1799 military engagement in which Napoleon Bonaparte’s advance into the Levant was decisively halted by Ottoman and British forces, marking a major setback in his Middle Eastern ambitions.
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: Sack of Constantinople in 1204
Target entity description: The Sack of Constantinople in 1204 was a devastating capture and plunder of the Byzantine capital by Western European Crusaders, which fatally weakened the Byzantine Empire and reshaped the political and religious landscape of the Eastern Mediterranean.

A. Fall of Constantinople 1453 AD
The Fall of Constantinople in 1453 AD was the Ottoman conquest of the Byzantine capital, marking the end of the Eastern Roman Empire and a pivotal shift in the balance of power between Europe and the Islamic world.
B. 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.
C. Sack of Baghdad (1258)
The Sack of Baghdad (1258) was the devastating Mongol conquest and destruction of the Abbasid capital, which effectively ended the Abbasid Caliphate’s political power and marked a major turning point in Islamic and world history.
D. Sack of Rome 455 AD
The Sack of Rome in 455 AD was a pivotal event in the decline of the Western Roman Empire, when the Vandal king Genseric led his forces in a two-week plundering of the city.
E. Siege of Acre
The Siege of Acre was a pivotal 1799 military engagement in which Napoleon Bonaparte’s advance into the Levant was decisively halted by Ottoman and British forces, marking a major setback in his Middle Eastern ambitions.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	battle of the Crusades ⓘ historical event ⓘ siege ⓘ
alsoKnownAs	Fourth Crusade sack of Constantinople ⓘ linked to: Sack of Constantinople in 1204
cause	Byzantine internal dynastic conflicts ⓘ appeal of Alexios IV Angelos for Western military support ⓘ diversion of the Fourth Crusade from the Holy Land ⓘ unpaid debts of the Crusaders to Venice ⓘ
combatant	Byzantine Empire ⓘ Crusaders of the Fourth Crusade ⓘ linked to: Fourth Crusade Republic of Venice ⓘ
commander	Baldwin of Flanders ⓘ Boniface I of Montferrat ⓘ Enrico Dandolo ⓘ
conflict	Byzantine–Crusader relations ⓘ Byzantine–Latin conflicts ⓘ
followedBy	Empire of Nicaea reconquest efforts ⓘ creation of the Latin Empire of Constantinople ⓘ establishment of successor Byzantine states such as the Empire of Nicaea ⓘ
locatedInPresentDay	Istanbul ⓘ Turkey ⓘ
location	Constantinople ⓘ linked to: Constantinople (probable)
longTermConsequence	Byzantine Empire reduced to regional successor states ⓘ facilitation of later Ottoman expansion into former Byzantine territories ⓘ
notableLoot	Horses of Saint Mark ⓘ religious relics from Byzantine churches ⓘ
opponent	Emperor Alexios V Doukas ⓘ linked to: Byzantine Emperor Alexios III Angelos
partOf	Fourth Crusade ⓘ
plunderedBy	Latin Crusaders ⓘ Venetian forces ⓘ
pointInTime	1204 ⓘ
politicalImpact	Venetian dominance over key Aegean and Eastern Mediterranean ports ⓘ creation of Latin principalities in former Byzantine lands ⓘ
precededBy	First siege of Constantinople by the Fourth Crusade in 1203 ⓘ linked to: Fourth Crusade
religiousImpact	intensification of hostility between Orthodox and Catholic Christians ⓘ sacrilege against Orthodox holy sites ⓘ
result	capture of Constantinople by Crusaders ⓘ collapse of Byzantine control over Constantinople ⓘ deepening of the schism between Eastern Orthodox and Roman Catholic Churches ⓘ establishment of the Latin Empire ⓘ massive plunder of the city ⓘ partition of Byzantine territories among Crusaders and Venice ⓘ severe weakening of the Byzantine Empire ⓘ
significance	long-term estrangement between Latin West and Greek East ⓘ major reconfiguration of power in the Eastern Mediterranean ⓘ transfer of art and relics to Western Europe ⓘ turning point in the decline of the Byzantine Empire ⓘ
startTime	April 1204 ⓘ