The Mexican–American War (Spanish: guerra de Estados Unidos-México), [a] also known in the United States as the Mexican War, and in Mexico as the United States intervention in Mexico, [b] (April 25, 1846 – February 2, 1848) was an invasion of Mexico by the United States Army.

Apr 25, 2025 · Mexican-American War, war between the U.S. and Mexico from 1846 to 1848. It was caused by a territorial dispute stemming from the United States’ annexation of Texas in 1845 and from contention over whether Texas ended at the Nueces River or the Rio Grande.

Nov 9, 2009 · The Mexican-American War was a 1846-1848 conflict over vast territories in the American West, which the Treaty of Guadalupe Hidalgo gave to the United States.

May 14, 2020 · When the Mexican military finally attacked Taylor’s army, war was declared, and Polk forced westward expansion through conflict with Mexico. Even though the war was opposed by many Americans, Americans rushed to volunteer and fight.

Mar 28, 2023 · The Mexican-American War Timeline includes the major events, battles, and treaties that shaped the course and outcome of the war. It also includes the events that helped cause the war, such as the Texas Revolution, and events that followed, like the Compromise of 1850 and the American Civil War.

Feb 12, 2021 · The Mexican-American War was a bloody war fought between the U.S. and Mexico from 1846 to 1848. The armed struggle holds a very important place in the history of the United States, as it was the first major war the U.S. fought on a foreign land.

The Mexican-American War is one of the least known pivotal moments in US History. It paved the way for so many other important events, from the expansion and dispossession of indigenous people, the California Gold Rush, and American Civil War.

Jun 16, 2022 · The Mexican War was fought between the United States and Mexico (1846-48), a conflict that began with a dispute over the annexation of Texas by the U.S. in 1845. After two years of fighting and a series of American victories, the Treaty of Guadalupe Hidalgo was signed on February 2, 1848, officially ending the war and extending the boundaries ...

The Mexican-American war (1846-1848) changed the slavery debate. It almost doubled the size of the United States and began a debate, between Northerners and Southerners, over what to do with the newly acquired land.

Shots rang out, and sixteen U.S. soldiers were killed or wounded. Angrily declaring that Mexico “has invaded our territory and shed American blood upon American soil,” President Polk demanded the United States declare war on Mexico. On May 12, Congress obliged.