Eastern Syria campaign (2017–2019)
E499980
The Eastern Syria campaign (2017–2019) was a major phase of the Syrian Civil War in which the Syrian Democratic Forces, backed by the U.S.-led coalition, fought to capture remaining Islamic State strongholds along the Euphrates River in eastern Syria.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Deir ez-Zor campaign (2017) | 1 |
| Deir ez-Zor campaign (2017–2019) | 1 |
| Eastern Syria campaign (2017–2019) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5182385 — 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: Eastern Syria campaign (2017–2019) Context triple: [Battle of Raqqa, followedBy, Eastern Syria campaign (2017–2019)]
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A.
Operation Euphrates Shield
Operation Euphrates Shield was a Turkish-led military intervention launched in northern Syria in 2016 to push back ISIS and limit Kurdish militia influence along Turkey’s border.
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B.
Siege of Deir ez-Zor (2014–2017)
The Siege of Deir ez-Zor (2014–2017) was a prolonged and strategically crucial battle of the Syrian Civil War in which Islamic State forces encircled and repeatedly attacked Syrian government–held districts of the city until the siege was broken by the Syrian Army and its allies.
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C.
Idlib offensive
The Idlib offensive was a major military campaign in northwestern Syria involving government forces, rebel groups, and foreign actors, centered on control of the last significant opposition-held stronghold during the Syrian Civil War.
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D.
French campaign in Syria
The French campaign in Syria was Napoleon Bonaparte’s 1799 military expedition from Egypt into Ottoman-controlled Syria, marked by sieges such as Acre and ultimately ending in failure and retreat.
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E.
Samarra offensive
The Samarra offensive was a World War I campaign on the Mesopotamian front in 1917, in which Ottoman and British forces fought for control of the strategically important city of Samarra in present-day Iraq.
- 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: Eastern Syria campaign (2017–2019) Target entity description: The Eastern Syria campaign (2017–2019) was a major phase of the Syrian Civil War in which the Syrian Democratic Forces, backed by the U.S.-led coalition, fought to capture remaining Islamic State strongholds along the Euphrates River in eastern Syria.
-
A.
Operation Euphrates Shield
Operation Euphrates Shield was a Turkish-led military intervention launched in northern Syria in 2016 to push back ISIS and limit Kurdish militia influence along Turkey’s border.
-
B.
Siege of Deir ez-Zor (2014–2017)
The Siege of Deir ez-Zor (2014–2017) was a prolonged and strategically crucial battle of the Syrian Civil War in which Islamic State forces encircled and repeatedly attacked Syrian government–held districts of the city until the siege was broken by the Syrian Army and its allies.
-
C.
Idlib offensive
The Idlib offensive was a major military campaign in northwestern Syria involving government forces, rebel groups, and foreign actors, centered on control of the last significant opposition-held stronghold during the Syrian Civil War.
-
D.
French campaign in Syria
The French campaign in Syria was Napoleon Bonaparte’s 1799 military expedition from Egypt into Ottoman-controlled Syria, marked by sieges such as Acre and ultimately ending in failure and retreat.
-
E.
Samarra offensive
The Samarra offensive was a World War I campaign on the Mesopotamian front in 1917, in which Ottoman and British forces fought for control of the strategically important city of Samarra in present-day Iraq.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
military campaign
ⓘ
operation of the Syrian civil war ⓘ |
| aimedAt |
cutting Islamic State supply lines along the Euphrates
ⓘ
securing oil fields in eastern Syria ⓘ |
| belligerent |
Iran-backed militias in Syria
ⓘ
Islamic State of Iraq and the Levant NERFINISHED ⓘ Russian Armed Forces NERFINISHED ⓘ Syrian Arab Army NERFINISHED ⓘ Syrian Arab Republic NERFINISHED ⓘ Syrian Democratic Forces NERFINISHED ⓘ United States Armed Forces NERFINISHED ⓘ United States-led coalition NERFINISHED ⓘ |
| chronology |
followed the Northern Raqqa offensive (2016–2017)
ⓘ
preceded stabilization and security operations in former Islamic State territories in eastern Syria ⓘ |
| commandedBy |
Combined Joint Task Force – Operation Inherent Resolve
NERFINISHED
ⓘ
Syrian Democratic Forces General Command NERFINISHED ⓘ |
| conflict | Syrian civil war NERFINISHED ⓘ |
| consequence |
extensive destruction of urban areas such as Raqqa and parts of Deir ez-Zor Governorate
ⓘ
large-scale displacement of civilians in eastern Syria ⓘ |
| endTime | 2019 ⓘ |
| hasMainObjective |
capture of remaining Islamic State strongholds along the Euphrates River
ⓘ
defeat of the Islamic State in eastern Syria ⓘ |
| location |
Deir ez-Zor Governorate
NERFINISHED
ⓘ
Euphrates River valley NERFINISHED ⓘ Hasakah Governorate NERFINISHED ⓘ Raqqa Governorate NERFINISHED ⓘ eastern Syria ⓘ |
| notableBattle |
Battle of Baghouz Fawqani
NERFINISHED
ⓘ
Battle of Hajin NERFINISHED ⓘ Battle of Raqqa (2017) NERFINISHED ⓘ Deir ez-Zor campaign (2017–2019) NERFINISHED ⓘ |
| notableEvent | siege and fall of the last Islamic State enclave at Baghouz ⓘ |
| opponent | Islamic State military leadership in Syria NERFINISHED ⓘ |
| opposedBy | Islamic State of Iraq and the Levant NERFINISHED ⓘ |
| partOf |
American-led intervention in the Syrian civil war
NERFINISHED
ⓘ
War against the Islamic State NERFINISHED ⓘ |
| result |
loss of Islamic State control over most of the Euphrates River valley in Syria
ⓘ
territorial defeat of the Islamic State in eastern Syria ⓘ |
| startTime | 2017 ⓘ |
| supportedBy |
France
NERFINISHED
ⓘ
United Kingdom NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
other members of the U.S.-led coalition ⓘ |
| used |
airstrikes by the U.S.-led coalition
ⓘ
artillery support from coalition forces ⓘ special operations forces support ⓘ |
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: Eastern Syria campaign (2017–2019) Description of subject: The Eastern Syria campaign (2017–2019) was a major phase of the Syrian Civil War in which the Syrian Democratic Forces, backed by the U.S.-led coalition, fought to capture remaining Islamic State strongholds along the Euphrates River in eastern Syria.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Deir ez-Zor campaign (2017)
subject surface form:
Syrian Democratic Forces
this entity surface form:
Deir ez-Zor campaign (2017–2019)