Siege of Fort Texas
Mexican artillery opens bombardment against the United States fort opposite Matamoros
Permanent historical records · Updated 2026-11-03
1846 in United States of America
Explore 108 historical events and records for United States of America in 1846.
Historical records for United States of America in 1846
Sorted by month and day. Records with no month are shown last. Showing 40 of 108 unique records.
108Unique records
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24Named events on this page
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19Places on this page
March
Siege of Fort Texas
Mexican forces begin the siege of Fort Texas near the Rio Grande
April
Siege of Fort Texas
United States defenders hold Fort Texas while General Taylor marches to relieve the garrison
Rio Grande Campaign
Taylor's army is drawn into war after fighting breaks out north of the Rio Grande
May
Siege of Fort Texas
Brown commands Fort Texas during the Mexican bombardment before dying from wounds
Battle of Palo Alto
Defeats Mexican forces
Battle of Palo Alto
Taylor defeats Mexican forces at Palo Alto in the first major battle of the war
Battle of Resaca de la Palma
Defeats Mexican forces
Battle of Resaca de la Palma
Taylor defeats Arista at Resaca de la Palma and secures the lower Rio Grande
Relief of Fort Texas
Taylor relieves Fort Texas after victories at Palo Alto and Resaca de la Palma
June
Siege of Fort Texas
Major Jacob Brown is mortally wounded during the Mexican bombardment of Fort Texas
Independent Treasury Act
Polk signs the Independent Treasury Act restoring a federal treasury system separate from private banks
Battle of San Pasqual
United States and Californio forces fight at San Pasqual in California
Army of the West
Kearny leads the Army of the West toward New Mexico and California
Mormon Church
The Mormons leave Nauvoo City on the trail for Salt Lake City
July
Capture of Monterey California
Sloat raises the American flag at Monterey and occupies California's capital
Occupation of California
Stockton assumes command of American naval operations on the Pacific coast
Walker Tariff
Walker designs a tariff reducing duties and classifying imports by value.
California Campaign
Fremont cooperates with American naval commanders during the conquest of California
August
Battle of Palo Alto
United States forces defeat Mexican forces at Palo Alto
Capture of Santa Fe
Kearny occupies Santa Fe without major resistance and proclaims American authority in New Mexico
Missouri Volunteers
Doniphan commands Missouri volunteers after Kearny's occupation of New Mexico
September
Battle of Resaca de la Palma
United States forces defeat Mexican forces at Resaca de la Palma
Siege of Fort Texas
Fort Texas is secured by United States forces and later renamed Fort Brown in honor of Major Jacob Brown
Siege of Fort Texas
Mexican forces lift the siege after United States victory at Resaca de la Palma
Assault on Fort Teneria
Commands a successful charge at Monterey winning a victory in the assault on Fort Teneria
Battle of Monterrey
Davis and the Mississippi Rifles serve under Taylor during the Monterrey campaign
Battle of Monterrey
Commands a successful charge at Monterey winning a victory in the assault on Fort Teneria
Battle of Monterrey
Taylor begins the assault on Monterrey during the northern Mexico campaign
Battle of Monterrey
Worth leads American troops in the attack on the western approaches to Monterrey
November
Capture of Tampico
Captures Tampico
Capture of Tampico
Edson's marine battalion participates in operations connected with the occupation of Tampico
Capture of Tampico
Perry supports naval operations as American forces occupy Tampico
Capture of Saltillo
Captures Saltillo
Capture of Saltillo
Taylor occupies Saltillo as American forces extend control in northern Mexico
December
Atlantic Pacific Transit
Treaty supports American use of Panama as an Atlantic to Pacific transit corridor
Canal Diplomacy
Treaty becomes an early diplomatic foundation for later United States canal ambitions
Canal Zone Precedent
Treaty establishes a precedent for later United States involvement in Panama transit policy
Commercial Navigation Treaty
Treaty of peace amity navigation and commerce links United States trade policy to Panama transit
Diplomat
Signs treaty guaranteeing United States transit rights across the Isthmus of Panama
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.