Mexican-American War timeline
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Treaty Of Velasco
The Treaties of Velasco were two documents signed at Velasco, Texas, (which is now Freeport, Texas) on May 14, 1836 between Antonio López de Santa... Read more
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Texas Is Offered Admission To The United States
Under U.S. President John Tyler, Texas was offered admission to the Union as a state. The bill was signed into law on March 1, 1845. It was... Read more
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Texas Ratifies The Annexation Bill
Under U.S. President John Tyler, Texas was offered admission to the Union as a state. The bill was signed into law on March 1, 1845. It was... Read more
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James K. Polk Sends General Zachary Taylor To Texas
The United States supported Texas when it claimed all land north of the Rio Grande, and this provoked a dispute with Mexico. In June 1845, James K.... Read more
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3,500 Americans Assemble On The Nueces River
The United States supported Texas when it claimed all land north of the Rio Grande, and this provoked a dispute with Mexico. In June 1845, James K.... Read more
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John C. Fremont Enters California
Although the United States declared war against Mexico on May 13, 1846, it took almost two months (until the middle of June, 1846) for definite... Read more
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James K. Polk Signs The Texas Annexation Bill
Under U.S. President John Tyler, Texas was offered admission to the Union as a state. The bill was signed into law on March 1, 1845. It was... Read more
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The Mexican-American War Begins
The Mexican–American War was an armed conflict between the United States and Mexico from 1846 to 1848 in the wake of the 1845 U.S. annexation of... Read more
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A 2,000-Strong Mexican Cavalry Detachment Attacks A 63-Man U.S. Patrol
On April 25, 1846, a 2,000-strong Mexican cavalry detachment attacked a 63-man U.S. patrol that had been sent into the contested territory north of... Read more
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The Siege Of Fort Texas Begins
The Siege of Fort Texas began on May 3. Mexican artillery at Matamoros opened fire on Fort Texas, which replied with its own guns. The bombardment... Read more
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Victory At Palo Alto
On May 8, 1846, General Zachary Taylor defeated a detachment of the Mexican army in a two-day battle at Palo Alto and Resaca de la Palma. This... Read more
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The Siege Of Fort Texas Ends
The Siege of Fort Texas marked the beginning of active campaigning by the armies of the United States and Mexico during the Mexican-American War.... Read more
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Battle Of Resaca De La Palma
At the Battle of Resaca de la Palma, one of the early engagements of the Mexican-American War, United States General Zachary Taylor engaged the... Read more
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James K. Polk Delivers A Message To Congress
By then, Polk had received word of the Thornton Affair. This, added to the Mexican government's rejection of Slidell, Polk believed, constituted a... Read more
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Occupation Of Matamoros
U.S. troops occupy Matamoros, Tamaulipas, with no resistance. More than 300 sick and wounded Mexicans captured in the hospitals. Also abandoned... Read more
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Word Of The Mexican-American War Reaches California
Although the United States declared war against Mexico on May 13, 1846, it took almost two months (until the middle of June, 1846) for definite... Read more
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American Citizens Stage A Revolt
On June 15, 1846, some thirty settlers, mostly American citizens, staged a revolt and seized the small Mexican garrison in Sonoma. They raised the... Read more
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John C. Fremont Takes Over The Republic
On June 15, 1846, some thirty settlers, mostly American citizens, staged a revolt and seized the small Mexican garrison in Sonoma. They raised the... Read more
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Davis Resigns House Seat and Leads the Mississippi Rifles
The year 1846 saw the beginning of the Mexican-American War. He resigned his House seat in June, and raised a volunteer regiment, the Mississippi... Read more
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Battle Of Monterey
The Battle of Monterey, at Monterey, California (sometimes confused with the Battle of Monterrey, in Nuevo León), was waged on July 7, 1846, during... Read more
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Mexican-American War Is Officially Declared
Mariano Paredes y Arrillaga (circa 7 January 1797 – 7 September 1849) was a conservative Mexican general and president. He took power in a coup... Read more
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Occupation of Camargo, Tamaulipas
Camargo is a municipality in the Mexican state of Tamaulipas. It is located on the US border, across from Rio Grande City, Texas. It has a... Read more
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Battle Of Santa Fe
The so-called Battle of Santa Fe (also known as the Battle of Cañoncito) took place, near Santa Fe, New Mexico, during the Mexican-American War on... Read more
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Battle Of Monterrey Begins
In the Battle of Monterrey (September 21–24, 1846) during the Mexican-American War, General Pedro de Ampudia and the Mexican Army of the North was... Read more
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Siege Of Los Angeles
The "Siege of Los Angeles" was a military occupation by the United States Marines of the Pueblo de Los Angeles during the Mexican-American... Read more