The Civil War in New Mexico

 

 

Confederate Flag

Confederate Flag

First Battle of Mesilla

Second Battle of Mesilla

Sibley’s New Mexico Campaign

Battle of Valverde

Battle of Glorieta Pass

 

Prior to the Civil War, residents in the southern part of New Mexico Territory had long complained that the territorial government in Santa Fe was too far away to properly address their concerns. Their sense of abandonment was further confirmed at the beginning the Civil War, when regular troops were withdrawn from the area. As a result, a secession convention was held at Mesilla, New Mexico in March 1861, where citizens voted to join the Confederacy and formed militia companies to defend themselves.

John R. Baylor

John R. Baylor

With Union Troops gone from the southern part of New Mexico Territory as well as Texas, the 2nd Texas Mounted Rifles under Lieutenant Colonel John R. Baylor were sent to occupy the series of forts along the western Texas frontier, as well as advancing into New Mexico to attack the Union forts along the Rio Grande River.

About six miles southeast of Mesilla sat the tiny post of Fort Fillmore. Originally established to control the local Apache, the post had declined over the years, fallen into serious disrepair and its troops removed. However, when the Union found out that the Texans were coming into the territory, they reinforced the fort.

First Battle of Mesilla

On July 24, 1861, 250 troops of the 2nd Texas Mounted Rifles crossed the Rio Grande River into Mesilla, arriving to the cheers of the population. A company of Arizona Confederates quickly joined Baylor there. Planning to attack the Union force at Fort Fillmore the next day, they were thwarted by a Confederate deserter who informed the Fort Fillmore’s commander, Major Isaac Lynde.

Taking the offense, Lynde left a small force behind to guard the fort and marched on Mesilla on July 25th. Leading some 380 Union troops, he approached the town and demanded Baylor’s surrender. When the Confederates refused, the Union opened fire with his mountain howitzers and the infantry was ordered to advance. However, heavy sand and corn fields interfered with this attack. Lynde then ordered his cavalry and three companies of the Regiment of Mounted Rifles, to charge the Confederate forces.

Able to repulse the oncoming Union troops, both sides then began skirmishing at long range. After three Union enlisted men died and two officers and four other men were wounded, Lynde ordered a return to the fort. The Battle of Mesilla resulted in a Confederate victory.

Early Mesilla, New Mexico

Early Mesilla, New Mexico

At sunset on July 26th, Baylor ordered his artillery and more cavalry to reinforce him, while the rest of his command moved into position to attack the fort the next day. That same night, Baylor’s men managed to capture 85 of the fort’s horses, which formed most of the fort’s transportation. Foreseeing the oncoming attack, Lynde destroyed the ammunition and supplies and the fort and retreated northeast towards Fort Stanton, some 150 miles to the northeast.

In pursuit on July 27th, the Confederates captured a number of straggling Union troops and soon overtook Lynde’s command, who had been reduced to only about 100 men as they crossed the dry Organ Mountains. The prisoners were paroled and Baylor returned to Fort Fillmore.

The Battle of Mesilla led to the official establishing of a Confederate Arizona Territory, which would consist of the southern portion of the New Mexico Territory and Arizona, and paved the way for the Confederate New Mexico Campaign the following year.

On August 1, 1861, Baylor declared the establishment of the Confederate Arizona Territory, installed himself as the new territory’s military governor, made Mesilla the capitol, and declared martial law.

Second Battle of Mesilla

Less than a year later, another battle would be fought near Mesilla on June 1, 1862, between Arizona rebels and the New Mexican Militia. Known as the Second Battle of Mesilla, the engagement ended with a Union victory though neither side had any casualties. However, the Confederate forces lost precious supplies and several horses, forcing them to retreat.  The rebels officially withdrew from Mesilla a few days later on June 7th. It was the last engagement between Union and Confederate forces in the Confederate Arizona Territory.

Sibley’s New Mexico Campaign (February-March 1862)

Led by Confederate Brigadier General Henry Hopkins Sibley, southern troops invaded northern New Mexico Territory beginning in February, 1862 in an attempt to gain control of the Southwest, as well as the gold fields of Colorado and the ports of California. One of the most ambitious Confederate campaigns of the Trans-Mississippi Theater, the rebels hoped to establish control of the American West and to open an additional theater in the war.

In the Spring of 1861, Sibley, a Louisianan who had just resigned from the U.S. Army, met with Confederate President Jefferson Davis, outlining a strategy to take over the American West. The plan called for an invasion along the eastern side of the Rocky Mountains, seizing Colorado Territory, which was in the height of a gold rush, as well as Fort Laramie, Wyoming, which was the most important garrison along the Oregon Trail.

Sibley then planned on focusing on areas farther west to attack mineral-rich Nevada and California. His strategy also included taking the northern Mexican states of Chihuahua, Sonora, and Lower California, either through purchase or by invasion.

The extremely ambitious plan was made more manageable by carrying minimal supplies, instead, capturing supplies at Union forts and depots along the Santa Fe Trail and living off the land. He also planned to recruit new soldiers along the way, certain that there was much Confederate sentiment and cooperation in the sparsely defended deserts.

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