 Ramba uchiverenga ndima iyi - The Big Horn Expedition, kana kuti Bighorn Expedition, yaive basa remauto reUnited States Army kurwisa maSioux, nemaCheyenne maIndia muWyoming Territory neMontana Territory. Kunyange zvazvo varwi vakaparadza mumwe musha weCheyenne neOglala Sioux, rwendo rwacho rwakasimbisa Lakota Sioux uye kuchamhembe kweCheyenne kurwisa kuedza kweUnited States kuvamanikidza kutengesa Black Hills uye kugara munzvimbo yakasarudzwa, kutanga Hondo Huru yeSioux ya1876. 