Yuma Crossing
Immediately after the Mexican–American War in 1848, the U.S. Army built Fort Yuma here to protect travelers from Indians raiding the area. It was the center point of conflict in the Yuma War of 1850–53. From 1864–1890, the fort and nearby facilities was the main army base to support the US Army's efforts to control the Indians throughout the greater southwest.
Quechan
After the United States annexed the territories after winning the Mexican–American War, it engaged in the Yuma War from 1850 to 1853. During which, the historic Fort Yuma was built across the Colorado River from the present day Yuma, Arizona.