First Battle of Ypres

E170195

World War I battle battle

The First Battle of Ypres was a major 1914 World War I clash in Belgium in which Allied and German forces fought to a bloody stalemate, marking the end of the war’s mobile phase and the onset of entrenched trench warfare.

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All labels observed (5)

Label	Occurrences
First Battle of Ypres canonical	12
Battle of Ypres	2
Battle of Ypres (1914)	2
First Gas Attack at Ypres	1
First Ypres	1

How this entity was disambiguated

This entity first appeared as the object of triple T1474933 — 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: First Battle of Ypres
Context triple: [Western Front (World War I), notableBattle, First Battle of Ypres]

A. Battle of Mons
The Battle of Mons was a First World War engagement in August 1914 where the British Expeditionary Force first clashed with the German army in Belgium, marking the start of Britain's major ground fighting on the Western Front.
B. Second Battle of Ypres
The Second Battle of Ypres was a major First World War engagement in 1915, notorious as the site of the first large-scale use of poison gas on the Western Front and heavy fighting involving Allied forces including Canadian troops.
C. First Battle of the Aisne
The First Battle of the Aisne was a World War I engagement in September 1914 in northern France, where Allied forces pursued retreating German armies and the fighting solidified into the trench warfare that would characterize much of the Western Front.
D. First Battle of the Marne
The First Battle of the Marne was a pivotal 1914 World War I clash in France that halted the German advance toward Paris and ended hopes for a quick German victory on the Western Front.
E. Battle of Cambrai
The Battle of Cambrai was a major First World War engagement in 1917 notable for the first large-scale, effective use of tanks by the British Army against German defenses on the Western Front.
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: First Battle of Ypres
Target entity description: The First Battle of Ypres was a major 1914 World War I clash in Belgium in which Allied and German forces fought to a bloody stalemate, marking the end of the war’s mobile phase and the onset of entrenched trench warfare.

A. Battle of Mons
The Battle of Mons was a First World War engagement in August 1914 where the British Expeditionary Force first clashed with the German army in Belgium, marking the start of Britain's major ground fighting on the Western Front.
B. Second Battle of Ypres
The Second Battle of Ypres was a major First World War engagement in 1915, notorious as the site of the first large-scale use of poison gas on the Western Front and heavy fighting involving Allied forces including Canadian troops.
C. First Battle of the Aisne
The First Battle of the Aisne was a World War I engagement in September 1914 in northern France, where Allied forces pursued retreating German armies and the fighting solidified into the trench warfare that would characterize much of the Western Front.
D. First Battle of the Marne
The First Battle of the Marne was a pivotal 1914 World War I clash in France that halted the German advance toward Paris and ended hopes for a quick German victory on the Western Front.
E. Battle of Cambrai
The Battle of Cambrai was a major First World War engagement in 1917 notable for the first large-scale, effective use of tanks by the British Army against German defenses on the Western Front.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	World War I battle ⓘ battle ⓘ
alsoKnownAs	First Battle of Ypres ⓘ surface form: Battle of Ypres (1914) First Battle of Ypres ⓘ surface form: First Ypres
belligerent	Belgium ⓘ British Empire ⓘ France ⓘ German Empire ⓘ United Kingdom ⓘ
belligerentSide	Allied Powers of World War I ⓘ surface form: Allies of World War I Central Powers ⓘ
casualties	very heavy casualties for Allied forces ⓘ very heavy casualties for German forces ⓘ
characterizedBy	attrition warfare ⓘ entrenchment ⓘ trench warfare ⓘ
combatantForce	Belgian Land Component ⓘ surface form: Belgian Army British Expeditionary Force ⓘ French Army ⓘ German Army ⓘ
conflictIn	World War I ⓘ
countryInvolved	French Third Republic ⓘ German Empire ⓘ Belgium ⓘ surface form: Kingdom of Belgium United Kingdom of Great Britain and Ireland ⓘ
endDate	1914-11-22 ⓘ
era	early phase of World War I ⓘ
followedBy	Second Battle of Ypres ⓘ
front	Western Front ⓘ surface form: Western Front of World War I
geographicalFeature	Ypres ⓘ surface form: Ypres salient
historicalPeriod	1914 on the Western Front ⓘ
locatedIn	Belgium ⓘ West Flanders ⓘ Ypres ⓘ
notableFor	leading to the establishment of continuous trench lines ⓘ marking the end of mobile warfare on the Western Front ⓘ very high casualties on both sides ⓘ
partOf	Race to the Sea ⓘ Western Front ⓘ
precededBy	Battle of La Bassée ⓘ Battle of the Yser ⓘ
result	stalemate ⓘ strategic Allied defensive success ⓘ tactical stalemate ⓘ
significance	helped fix the front line that remained largely unchanged for years ⓘ
startDate	1914-10-19 ⓘ
strategicObjective	control of Ypres salient ⓘ prevent German breakthrough to Channel ports ⓘ
typeOfEngagement	offensive and defensive operations ⓘ

How these facts were elicited

Referenced by (18)

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

Western Front → notableBattle → First Battle of Ypres ⓘ

subject surface form: Western Front (World War I)

Second Battle of Ypres → precededBy → First Battle of Ypres ⓘ

European theatre of World War I → hasPart → First Battle of Ypres ⓘ

this entity surface form: Battle of Ypres

European theatre of World War I → hasPart → First Battle of Ypres ⓘ

Ypres → wasSiteOf → First Battle of Ypres ⓘ

I Corps (British Army) → notableOperation → First Battle of Ypres ⓘ

Commander-in-Chief on the Western Front → oversawBattle → First Battle of Ypres ⓘ

First Battle of Ypres → alsoKnownAs → First Battle of Ypres ⓘ

this entity surface form: First Ypres

First Battle of Ypres → alsoKnownAs → First Battle of Ypres ⓘ

this entity surface form: Battle of Ypres (1914)

I Corps → notableOperation → First Battle of Ypres ⓘ

II Corps (British Army) → notableEvent → First Battle of Ypres ⓘ

British 5th Division → participatedIn → First Battle of Ypres ⓘ

this entity surface form: Battle of Ypres (1914)

Battle of Gravenstafel Ridge → alsoKnownAs → First Battle of Ypres ⓘ

this entity surface form: First Gas Attack at Ypres

Field Marshal Sir John French → participatedIn → First Battle of Ypres ⓘ

subject surface form: John French

German 4th Army → notableOperation → First Battle of Ypres ⓘ

Battle of Neuve Chapelle → precededBy → First Battle of Ypres ⓘ

Newfoundland Regiment → notableEngagement → First Battle of Ypres ⓘ

this entity surface form: Battle of Ypres

Siege of Antwerp → followedBy → First Battle of Ypres ⓘ

All labels observed (5)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (18)

How this entity was disambiguated

How these facts were elicited