Battle of Slim Buttes on the Little Big Horn." "By June 23, 1876, Sitting Bull's Camp, following the Rosebud Battle, more than doubled in size to over 1000 lodges and 7000 inhabitants. There were an estimated 1500 to 2000 warriors from Northern Cheyenne and five major Sioux tribes. The Indians had no intention of fleeing. They were determined to stand and fight." On June 25 and 26, 1876, George Armstrong Custer and the 7th Cavalry (with 468 fatalities and 55 wounded) were defeated at the Battle of the Little Big Horn by Sioux and Cheyenne warriors. News of the defeat of George Armstrong Custer
George Armstrong Custer during the Manassas Campaign, where Army commander Winfield Scott detailed him to carry messages to Major General Irvin McDowell. After the battle, Custer continued participating in the defenses of Washington D.C. until October, when he became ill. He was absent from his unit until February 1862. In March, he participated with the 2nd Cavalry in the Peninsula Campaign (March to August) in Virginia until April 4. On April 5, Custer served in the 5th Cavalry Regiment and participated in the Siege of Yorktown, from April 5 to May 4 and was aide to Major General George B. McClellan; McClellan was