Union Mississippi River campaign

E1576164 UNEXPLORED

The Union Mississippi River campaign was a series of coordinated Civil War operations aimed at seizing control of the Mississippi River to split the Confederacy and secure a vital transportation and supply route for the Union.

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All labels observed (7)

Label	Occurrences
Vicksburg Campaign	12
First Vicksburg campaign	1
Riverine operations in the Western Theater of the American Civil War	1
Union Mississippi River campaign canonical	1
Union naval operations against Grand Gulf	1
Vicksburg campaign	1
lower Mississippi Valley campaign	1

How this entity was disambiguated

This entity first appeared as the object of triple T23287351 — 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: Union Mississippi River campaign
Context triple: [Battle of Arkansas Post, partOf, Union Mississippi River campaign]

A. Confederate Army operations on the Mississippi River
Confederate Army operations on the Mississippi River comprise the series of military campaigns, battles, and strategic maneuvers conducted by Confederate forces to control and defend key points along the Mississippi River during the American Civil War.
B. Siege of Vicksburg
The Siege of Vicksburg was a pivotal 1863 Union campaign in the American Civil War that secured control of the Mississippi River and split the Confederacy in two.
C. Fort Donelson campaign
The Fort Donelson campaign was a major early Union offensive in the American Civil War that secured key Confederate forts in Tennessee, opened vital rivers for Northern advances, and elevated Ulysses S. Grant to national prominence.
D. Red River campaign
The Red River campaign was a major but ultimately unsuccessful Union military expedition during the American Civil War aimed at gaining control of western Louisiana and the Red River region.
E. Capture of New Orleans
The Capture of New Orleans was a pivotal 1862 Union naval and land operation during the American Civil War that seized the Confederacy’s largest city and key Gulf Coast port, dealing a major strategic and economic blow to the South.
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: Union Mississippi River campaign
Target entity description: The Union Mississippi River campaign was a series of coordinated Civil War operations aimed at seizing control of the Mississippi River to split the Confederacy and secure a vital transportation and supply route for the Union.

A. Confederate Army operations on the Mississippi River
Confederate Army operations on the Mississippi River comprise the series of military campaigns, battles, and strategic maneuvers conducted by Confederate forces to control and defend key points along the Mississippi River during the American Civil War.
B. Siege of Vicksburg
The Siege of Vicksburg was a pivotal 1863 Union campaign in the American Civil War that secured control of the Mississippi River and split the Confederacy in two.
C. Fort Donelson campaign
The Fort Donelson campaign was a major early Union offensive in the American Civil War that secured key Confederate forts in Tennessee, opened vital rivers for Northern advances, and elevated Ulysses S. Grant to national prominence.
D. Red River campaign
The Red River campaign was a major but ultimately unsuccessful Union military expedition during the American Civil War aimed at gaining control of western Louisiana and the Red River region.
E. Capture of New Orleans
The Capture of New Orleans was a pivotal 1862 Union naval and land operation during the American Civil War that seized the Confederacy’s largest city and key Gulf Coast port, dealing a major strategic and economic blow to the South.
F. None of above. chosen