Wyoming Wyoming State Government Wyoming has origins from the Algonquian chwewamink, meaning at the big river flat. There is another theory, however, that states Wyoming comes from a word for mountains and valleys alternating. Capital: Cheyenne Largest Cities: Casper, Cody, Douglas, Evanston, Gillette, Jackson, Laramie, Powell, Rawlins, Rock Springs, Thermopolis Present Constitution Drafted : 1890 Entered Union: July 10, 1890 (44) Motto: “Equal Rights” State Flower: Indian Paintbrush State Tree: Cottonwood State Bird: Western Meadowlark State Dog: Not Specified State Insect: Not Specified State Song: “Wyoming” Nickname: The Equality State