History of Montana degree of longitude northward to the boundary line of the British possessions. The boundaries of Montana territory did not change during its existence. Montana was admitted to the Union as the state of Montana on November 8, 1889. The Battle of the Little Bighorn—also called Custer's Last Stand and the Battle of the Greasy Grass—was an armed engagement between a Lakota (Sioux)-Northern Cheyenne-Arapaho combined force and the 7th Cavalry of the United States Army. It occurred June 25–June 26, 1876, near the Little Bighorn River in eastern Montana Territory near present-day Hardin, Montana, on land that today is part of
Battle of the Little Bighorn out that lever-action rifles, after a burst of rapid discharge, still required a reloading interlude that lowered their overall rate of fire; Springfield breechloaders "in the long run, had a higher rate of fire, which was sustainable throughout a battle." The breechloader design patent for the Springfield's Erskine S. Allin trapdoor system was owned by the US government and the firearm could be easily adapted for production with existing machinery at the Springfield Armory in Massachusetts. At time when funding for the post-war Army had been slashed, the prospect for economical production influenced the Ordnance Board member selection of the