Operation Karbala-4
E509756
Operation Karbala-4 was a major Iranian offensive during the Iran–Iraq War, launched in late 1986 with the aim of capturing Basra but ending in heavy Iranian casualties and limited gains.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Operation Karbala-4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5299178 — 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: Operation Karbala-4 Context triple: [Operation Karbala-5, precededBy, Operation Karbala-4]
-
A.
Operation Karbala-5
Operation Karbala-5 was a major Iranian offensive in early 1987 aimed at capturing the strategic Iraqi city of Basra during the Iran–Iraq War.
-
B.
Operation al-Fajr
Operation al-Fajr was the U.S.-led November 2004 offensive to retake the Iraqi city of Fallujah from insurgent forces during the Iraq War.
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C.
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.
-
D.
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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E.
Operation Telic
Operation Telic was the codename for the British military campaign in Iraq, beginning with the 2003 invasion and continuing through subsequent occupation and stabilization efforts.
- 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: Operation Karbala-4 Target entity description: Operation Karbala-4 was a major Iranian offensive during the Iran–Iraq War, launched in late 1986 with the aim of capturing Basra but ending in heavy Iranian casualties and limited gains.
-
A.
Operation Karbala-5
Operation Karbala-5 was a major Iranian offensive in early 1987 aimed at capturing the strategic Iraqi city of Basra during the Iran–Iraq War.
-
B.
Operation al-Fajr
Operation al-Fajr was the U.S.-led November 2004 offensive to retake the Iraqi city of Fallujah from insurgent forces during the Iraq War.
-
C.
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.
-
D.
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.
-
E.
Operation Telic
Operation Telic was the codename for the British military campaign in Iraq, beginning with the 2003 invasion and continuing through subsequent occupation and stabilization efforts.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Iran–Iraq War battle
ⓘ
military operation ⓘ |
| belligerent |
Iran
NERFINISHED
ⓘ
Iraq NERFINISHED ⓘ |
| casualtiesSide |
Iranian forces suffered very high casualties
ⓘ
Iraqi forces suffered lower casualties ⓘ |
| codenameLanguage | Persian ⓘ |
| conflict | Iran–Iraq War NERFINISHED ⓘ |
| conflictType | conventional warfare ⓘ |
| country | Iran ⓘ |
| endDate | 1986-12-26 ⓘ |
| era | Cold War ⓘ |
| followedBy | Operation Karbala-5 NERFINISHED ⓘ |
| front | southern front of the Iran–Iraq War ⓘ |
| impact |
demonstrated strength of Iraqi defenses around Basra
ⓘ
set stage for Operation Karbala-5 ⓘ |
| location |
Shatt al-Arab region
NERFINISHED
ⓘ
near Basra ⓘ |
| locationCountry | Iraq NERFINISHED ⓘ |
| militaryTheater | Persian Gulf region NERFINISHED ⓘ |
| namedAfter | Battle of Karbala NERFINISHED ⓘ |
| notableFeature |
Iranian forces attempted river crossings under fire
ⓘ
Iraqi forces had prior intelligence of the attack ⓘ |
| objective |
break Iraqi defensive lines east of Basra
ⓘ
capture Basra ⓘ |
| opponentCountry | Iraq NERFINISHED ⓘ |
| outcome |
heavy Iranian casualties
ⓘ
limited territorial gains for Iran ⓘ |
| partOf | Karbala operations series NERFINISHED ⓘ |
| precededBy | Operation Karbala-3 NERFINISHED ⓘ |
| primaryAttacker | Islamic Revolutionary Guard Corps NERFINISHED ⓘ |
| primaryDefender | Iraqi Army NERFINISHED ⓘ |
| result |
Iranian offensive failure
ⓘ
Iraqi defensive victory ⓘ |
| startDate | 1986-12-24 ⓘ |
| strategicContext | Iran sought decisive victory to end stalemate ⓘ |
| tacticalResult | Iranian forces withdrew after heavy losses ⓘ |
| terrain |
marshlands
ⓘ
riverine environment ⓘ |
| timePeriod | late 1986 ⓘ |
| typeOfOperation |
amphibious assault
ⓘ
night attack ⓘ offensive ⓘ |
| weaponryUsed |
armored vehicles
ⓘ
artillery ⓘ infantry ⓘ |
| year | 1986 ⓘ |
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: Operation Karbala-4 Description of subject: Operation Karbala-4 was a major Iranian offensive during the Iran–Iraq War, launched in late 1986 with the aim of capturing Basra but ending in heavy Iranian casualties and limited gains.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.