 He played an important role in the Lakota victory at the Battle of the Hundred Slain (known as the Fetterman Fight to the whites).At the Wagon Box Fight of 2 August 1867, Young Man Afraid of His Horses served along with Crazy Horse as the leaders of the combined Lakota/Cheyenne war party.In 1868, the multiband Oglala council bestowed one of their highest honors upon Young Man Afraid of His Horses, investing him, along with American Horse, Crazy Horse, and Sword Owner (later George Sword) as the Oglala's four head shirtwearers or protectors of the people.