Second Battle of Fort Defiance

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Second Battle of Fort Defiance
Part of the Navajo Wars
Fort defiance, arizona.jpg
Fort Defiance in 1873, by Seth Eastman.
DateAugust 30, 1860
LocationFort Defiance, New Mexico Territory
Modern Day: Fort Defiance, Arizona
Result United States victory
 United States of America Navajo
Commanders and leaders
United States Oliver Shepherd Manuelito
150 infantry
1 fort
~1,000 warriors
Casualties and losses
1 killed
3 wounded
~20 killed
unknown wounded

The Second Battle of Fort Defiance was a military engagement fought during the United States period of the Navajo Wars. On August 30, 1860, about 1,000 Navajo warriors assaulted the United States Army garrison of Fort Defiance in New Mexico Territory, now within present day Arizona. The Navajo achieved a surprise attack but was ultimately repulsed by 150 American defenders of the 3rd Infantry under Captain Oliver L. Shepherd. The Americans formed in the center of the buildings and withstood the Navajo attack. The natives retreated with a loss of around twenty dead and several wounded while the Americans suffered one man killed in action and three wounded. The second Navajo assault on Fort Defiance was one of the largest battles fought within the borders of Arizona. It was also one of the reasons why the militia commander Lieutenant Colonel Manuel Antonio Chaves ordered an unauthorized campaign into Navajo territory in 1860 and 1861.

See also[edit]


  • McNitt, Frank. Navajo Wars. Univ. New Mexico, 1972.
  • Lavender, David. The Rockies, Revised Edition. New York: Harper & Row, 1975.
  • Limerick, Patricia Nelson. The Legacy of Conquest: The Unbroken Past of the American West. New York: W.W. Norton, 1987.