World History Maps Interactive Historical Atlas of the Civil War, detail page for:

New Mexico, Territory before Nov 6, 1860 - after Jun 25, 1865

Abraham Rencher US Governor, before Nov 6, 1860 - Aug, 1861

US Dept. of the West reorganized as Western Dept. including Iowa Minnesota Kansas Nebraska Colorado and Dakota Missouri and Illinois transferred from Dept. of the Ohio Dept. of New Mexico discontinued and absorbed, Jul 3, 1861
Henry Connelly US Governor, Sep 4, 1861 - after Jun 25, 1865
US Dept. of New Mexico recreated New Mexico transferred from Western Dept., Nov 9, 1861

Sibley’s New Mexico Campaign, Feb 7, 1862 - Apr 22, 1862
Valverde, engagement, Feb 20, 1862 - Feb 21, 1862
Glorieta Pass, engagement, Mar 26, 1862 - Mar 28, 1862