Elizabeth Bacon Custer led the Seventh Cavalry in pursuit of Sitting Bull, Crazy Horse and the Sioux and Northern Cheyenne who refused to be confined to the reservation system. After her husband's column was wiped out at the Battle of the Little Big Horn in June 1876, many in the press, Army, and government criticized Custer for blundering into a massacre. President Ulysses S. Grant publicly blamed Custer for the disaster. Fearing that her husband was to be made a scapegoat by history, Libbie launched a one-woman campaign to rehabilitate her husband's image. Her assistance to the author of the first Custer biography,
Battle of the Rosebud on the reservation by January 31, 1876 to negotiate the sale. A few bands did not comply and when the deadline of January 31 passed the US undertook to force Sitting Bull, Crazy Horse, and their followers onto the reservation. The first military expedition against the recalcitrant Indians in March 1876 was a failure, ending in the Battle of Powder River. In June 1876, the US military renewed the fight with a three-pronged invasion of the Bighorn and Powder river country. Colonel John Gibbon led a force from the west; General Alfred Terry (with Lieutenant Colonel George Armstrong Custer) came