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The Battle of Birch Coulee, September 2–3, 1862

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Lithograph interpretation of the Battle of Birch Coulee, 1912.

Lithograph interpretation of the Battle of Birch Coulee, 1912.

The Battle of Birch Coulee, fought between September 2 and 3, 1862, was the worst defeat the United States suffered and the Dakotas' most successful engagement during the U.S.-Dakota War of 1862. Over thirty hours, approximately two hundred Dakota soldiers pinned down a Union force of 170 newly recruited U.S. volunteers, militia, and civilians from the area, who were unable to move until Henry Sibley's main army arrived.

The U.S.-Dakota War of 1862, a formative event in the history of Minnesota, was initiated by factions of the Dakota who had endured years of repeatedly broken promises by the federal government and were starving as they waited for annuity payments owed to them. The Battle at Birch Coulee was the longest battle of the war.

After initial battles with Union soldiers and attacks on civilian settlers, Dakota fighters, under the command of Taoyateduta (Little Crow IV), split off into two groups. The first, commanded by Taoyateduta, went east. The other group, under Zitkahtahhota (Gray Bird), moved toward New Ulm, with the goal of taking the city. With him were leaders Hushasha (Red Legs), Wamditanka (Big Eagle), and Mankato (Blue Earth). On their way there, they encountered a camp of U.S. soldiers in a tactically weak position at Birch Coulee. Putting aside their aims for New Ulm, the two hundred Dakota fighters decided to attack at dawn on September 2.

Two days earlier, on August 31, approximately 150 men under the command of Major Joseph Brown left Fort Ridgely to bury dead bodies from earlier attacks and seek out any survivors. Brown had been a successful trader, but he was not an experienced military commander. After a day on burial detail, the force camped for the night on the prairie. The next day, the party continued their grisly task and discovered Justine Kreigher, a woman who had been wounded in earlier fighting. That night, Hiram Grant selected a camping site near water at Birch Coulee while Brown was away searching for signs of Dakota in the area. While soldiers under his command felt their position vulnerable, Grant was confident that there were no Dakota around.

The site would prove to be tactically unsound for the Union forces. The campsite was a short but significant distance from fresh water, and it was near trees and high grass that would provide cover for Dakota soldiers. Grant also placed guard posts too close to camp for a warning to do any good. When morning arrived, the Dakota took advantage of the Union camp's weaknesses and attacked. Though spotted by a guard, they were able to severely damage the federal force within the first few minutes of the fighting. Most U.S. casualties occurred during this critical time. The Dakota poured gunfire into the camp and killed nearly all of the horses there. Though he ultimately survived the battle, Brown was shot in the neck during these opening moments, and Joseph Anderson took charge of the defense. U.S. soldiers dug rifle pits and used horse carcasses to shield themselves from the bullets.

Somewhat surprised by a Union force larger than they expected, the Dakota decided to wait while the sun and lack of water did their work on the besieged troops, rather than risk their own soldiers on a frontal assault. The U.S. soldiers spent the day pinned down by desultory fire and baking under the hot sun.

Hearing what his scouts thought might be the sound of gunfire, Colonel Henry Sibley sent Colonel Samuel McPhail with 240 men from Fort Ridgely to see what was happening. McPhail arrived at the siege hours into the battle, but was fooled by a ruse. Chief Mankato and a small force of Dakota soldiers convinced McPhail that he faced several hundred Dakota fighters. Rather than engage the fight, McPhail chose to camp two miles away and send for help from the fort.

The next day, Sibley himself brought relief for the besieged men. When he approached with a large force, the Dakota fighters retreated. The U.S. casualties in the battle were thirteen dead, almost fifty wounded, and ninety horses killed. Wamditanka's account only mentions two deaths among their soldiers.

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© Minnesota Historical Society
  • Bibliography
  • Related Resources

Anderson, Clayton, and Alan R. Woolworth, eds. Through Dakota Eyes: Narrative Accounts of the Minnesota Indian War of 1862. St. Paul: Minnesota Historical Society Press, 1988.

Carley, Kenneth. The Dakota War of 1862. St. Paul: Minnesota Historical Society Press, 2001.

Christgau, John. Birch Coulie: The Epic Battle of the Dakota War. Lincoln: University of Nebraska Press, 2012.

Folwell, William Watts. A History of Minnesota. Vol. II. St. Paul: Minnesota Historical Society Press, 1961.

Related Images

Lithograph interpretation of the Battle of Birch Coulee, 1912.
Lithograph interpretation of the Battle of Birch Coulee, 1912.
Joseph R. Brown, nominal leader of the burial party, c. 1853.
Joseph R. Brown, nominal leader of the burial party, c. 1853.
Joseph Anderson, who claimed that the command was his, criticized the choice of campsite.
Joseph Anderson, who claimed that the command was his, criticized the choice of campsite.
Big Eagle, leader in the U.S.- Dakota War.
Big Eagle, leader in the U.S.- Dakota War.
U.S. Model 1841 Percussion Rifle. This rifle was struck by a bullet and disabled during the Battle of Birch Coulee.
U.S. Model 1841 Percussion Rifle. This rifle was struck by a bullet and disabled during the Battle of Birch Coulee.
Birch Coulee Monument in Renville County, c.1900.
Birch Coulee Monument in Renville County, c.1900.
Survivors members of Company F, 6th Minnesota Volunteer Infantry at the home of Captain Horace B. Wilson at Red Wing.
Survivors members of Company F, 6th Minnesota Volunteer Infantry at the home of Captain Horace B. Wilson at Red Wing.

Turning Point

On the way to New Ulm, Dakota soldiers spot a smaller group of Union forces making camp in a tactically vulnerable location, Birch Coulee. The next day, September 2, 1862, the Dakota attack at dawn and lay siege to the Union camp for more than thirty hours.

Chronology

August 17, 1862

The beginning of the U.S.-Dakota War of 1862.

August 31, 1862

A burial party of approximately 170 men leaves Fort Ridgely.

September 1, 1862

The burial party chooses Birch Coulee as its campsite location.

September 2, 1862

At dawn, Dakota fighters attack, and set siege to the camp.

September 3, 1862

Reinforcements arrive from Fort Ridgely and drive off the Dakota. The siege lasted more than thirty hours.

September 26, 1862

After the Battle of Wood Lake, most Dakota surrender.

December 26, 1862

Thirty-eight Dakota men, some of whom participated in the Battle at Birch Coulee, are hanged at Mankato. This is the largest mass execution in U.S. history.

1894

The St. Paul Pioneer Press publishes an interview with Jerome Big Eagle, one of the Dakota leaders at the Battle. The same year, Minnesota erects a monument in nearby Morton that honors the Minnesota soldiers who participated in the battle.

1900

Another monument is built near the first, honoring "Friendly Indians."

1926

A memorial service is held on the battle site. Robert K. Boyd speaks about his experiences during the battle.

1998

The Minnesota Historical Society begins developing the battlefield as an historic site.

2000

Birch Coulee Battlefield Site opens to the public.