On the morning of March 26, 1862, Confederate and Union armies met in Glorieta Pass in the southern Sangre de Cristo Mountains of New Mexico. A series of skirmishes, jockeying for position, and a pitched battle on March 28 took a heavy toll on both sides and left the Rebels under Gen. Henry Hopkins Sibley apparently victorious over Gen. John P. Slough's troops.
However, the tide turned when Union soldiers under Col. John Chivington located the Confederate supply train and destroyed it. Without supplies, replacement arms, and ammunition, the Rebel troops could not maintain themselves...