The Battle of Glorieta Pass, fought from March 26 to 28, 1862 in northern New Mexico Territory, was the decisive battle of the New Mexico Campaign during the Civil War. It was fought at Glorieta Pass in the Sangre de Cristo Mountains in what is now New Mexico.
|Glorieta Pass, New Mexico|
In March, Sibley sent a Confederate force of 200 to 300 Texans under the command of Major Charles Pyron on an advance expedition over th Glorieta Pass, a strategic location on the Santa Fe Trail. Control of the pass would allow the Confederates to advance onto the plains and to make an assault on Fort Union.