The U.S. War With Mexico (1846 to 1848)

The war between the United States and Mexico followed the U.S. annexation of Texas and a dispute over the border.

American forces captured Mexico City in 1847. The 1848 Treaty of Guadalupe Hidalgo transferred California and much of today’s American Southwest to the United States.

Key Facts

• Began: 1846
• Capture of Mexico City: 1847
• Treaty: Guadalupe Hidalgo, 1848
• Result: Large territorial gains for the U.S.

Remembering Those Who Served

PinGallery honors the service members who served and sacrificed in every American conflict, along with their families.