... Territory of Wyoming organized by act of Congress out of parts of Dakota, Utah, and Idaho......July 25, 1868 Coal discovered three miles from Evanston, 1868, and first mine opened......1869 Cheyenne designated as the capital of Wyoming, and first territorial court held there......Sept. 7, 1869 Act approved giving women the right to vote and hold office in Wyoming......Dec. 10, 1869 Grand...