Little Thunder (Wakíŋyaŋ Čík'ala), a Brulé Lakota chief ... He became chief of the Brulé Lakota after the death of Conquering Bear in 1854, an event that led to the Grattan Massacre and the First Sioux War ... Little Thunder was wounded and captured during the Battle of Ash Hollow in 1855, and subsequently deposed.His son led a rebellion in 1865 ... Crazy Horse, a prominent war leader who later defeated U.S. Cavalry at the Battle of Little Bighorn, witnessed the Battle of Ash Hollow as a teenager.