Second Battle of the Somme
E826299
The Second Battle of the Somme was a major 1918 World War I offensive on the Western Front in which Allied forces, including significant British and French troops, pushed back the German army and helped turn the tide of the war in favor of the Allies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Second Battle of the Somme canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9464381 — 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: Second Battle of the Somme Context triple: [Second Battle of the Somme (1918), alsoKnownAs, Second Battle of the Somme]
-
A.
Battle of Thiepval Ridge
The Battle of Thiepval Ridge was a major British offensive on the Western Front during the Somme campaign of World War I, marked by intense fighting to capture heavily fortified German positions.
-
B.
Battle of Polygon Wood
The Battle of Polygon Wood was a World War I engagement in 1917 in the Ypres Salient, where Australian and British forces advanced against German positions as part of the larger Third Battle of Ypres.
-
C.
Battle of Courcelette
The Battle of Courcelette was a major First World War engagement on the Somme in September 1916, notable for significant Canadian involvement and the first large-scale use of tanks in combat.
-
D.
Battle of the Somme
The Battle of the Somme was a major and notoriously bloody 1916 World War I offensive on the Western Front, remembered for its massive casualties and limited territorial gains.
-
E.
Battle of Hill 70
The Battle of Hill 70 was a First World War offensive in August 1917 near Lens, France, in which Canadian forces captured a strategic height from the Germans at heavy cost and demonstrated growing tactical sophistication 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: Second Battle of the Somme Target entity description: The Second Battle of the Somme was a major 1918 World War I offensive on the Western Front in which Allied forces, including significant British and French troops, pushed back the German army and helped turn the tide of the war in favor of the Allies.
-
A.
Battle of Thiepval Ridge
The Battle of Thiepval Ridge was a major British offensive on the Western Front during the Somme campaign of World War I, marked by intense fighting to capture heavily fortified German positions.
-
B.
Battle of Polygon Wood
The Battle of Polygon Wood was a World War I engagement in 1917 in the Ypres Salient, where Australian and British forces advanced against German positions as part of the larger Third Battle of Ypres.
-
C.
Battle of Courcelette
The Battle of Courcelette was a major First World War engagement on the Somme in September 1916, notable for significant Canadian involvement and the first large-scale use of tanks in combat.
-
D.
Battle of the Somme
The Battle of the Somme was a major and notoriously bloody 1916 World War I offensive on the Western Front, remembered for its massive casualties and limited territorial gains.
-
E.
Battle of Hill 70
The Battle of Hill 70 was a First World War offensive in August 1917 near Lens, France, in which Canadian forces captured a strategic height from the Germans at heavy cost and demonstrated growing tactical sophistication on the Western Front.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
World War I battle
ⓘ
battle ⓘ |
| aimedAt | breaking German defensive positions in the Somme sector ⓘ |
| alsoKnownAs | Battle of Albert (1918) NERFINISHED ⓘ |
| belligerent |
Allies
NERFINISHED
ⓘ
German Empire ⓘ |
| campaign | Allied Hundred Days Campaign NERFINISHED ⓘ |
| casualties | heavy on both sides ⓘ |
| comparedTo | First Battle of the Somme NERFINISHED ⓘ |
| conflict | World War I ⓘ |
| countryInvolved |
France
ⓘ
Germany ⓘ United Kingdom ⓘ |
| date | August–September 1918 ⓘ |
| distinguishedFrom | Battle of the Somme (1916) NERFINISHED ⓘ |
| endTime | 1918-09-03 ⓘ |
| followedBy | Battle of the Hindenburg Line NERFINISHED ⓘ |
| front | Western Front NERFINISHED ⓘ |
| frontlineChange | Allied advance of several miles ⓘ |
| historicalEra | early 20th century ⓘ |
| involvedForce |
British Expeditionary Force
NERFINISHED
ⓘ
French Army NERFINISHED ⓘ German Army NERFINISHED ⓘ |
| location |
France
ⓘ
Somme region NERFINISHED ⓘ |
| militaryOperationType | offensive ⓘ |
| notableCommander |
Douglas Haig
NERFINISHED
ⓘ
Georg von der Marwitz NERFINISHED ⓘ Henry Rawlinson NERFINISHED ⓘ |
| objective | push back German forces on the Western Front ⓘ |
| opponent |
German Eighteenth Army
NERFINISHED
ⓘ
German Second Army NERFINISHED ⓘ |
| partOf |
Hundred Days Offensive
NERFINISHED
ⓘ
Western Front NERFINISHED ⓘ |
| precededBy | German Spring Offensive NERFINISHED ⓘ |
| region | Picardy NERFINISHED ⓘ |
| result | Allied victory ⓘ |
| significance |
demonstrated weakened German defensive capability in 1918
ⓘ
marked beginning of continuous Allied advance to the Armistice ⓘ |
| startTime | 1918-08-21 ⓘ |
| strategicEffect |
forced German retreat to the Hindenburg Line
ⓘ
turned the tide of World War I in favor of the Allies ⓘ |
| tacticUsed |
combined infantry, artillery, and tank assaults
ⓘ
creeping barrage ⓘ |
| theatreOfWar | European theatre of World War I NERFINISHED ⓘ |
| timePeriod |
1918
ⓘ
late World War I ⓘ |
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: Second Battle of the Somme Description of subject: The Second Battle of the Somme was a major 1918 World War I offensive on the Western Front in which Allied forces, including significant British and French troops, pushed back the German army and helped turn the tide of the war in favor of the Allies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.