... Massacre of United States troops by the Indians in a sortie, under Colonel Fetterman, from Fort Philip Kearny, near Big Horn; three officers and ninety men killed and scalped......Dec. 21, 1866 Cheyenne first settled, July, 1867, and a city government established, with H. M. Hook as mayor......August, 1867 First newspaper published in the Territory, the Cheyenne , Sept. 19; , Oct. 25; and , Dec....