The State of Colorado entered into Statehood on August 1, 1876. Nicknamed the Centennial State, the Colorado State Capital is Denver. The Colorado State motto is Nil sine numine, which means nothing without providence. Colorado State flower is the Rocky Mountain columbine (1899). Colorado State tree is the Colorado blue spruce (1939). Colorado State bird is the lark bunting (1931). Colorado State animal is the Rocky Mountain bighorn sheep (1961). Colorado State gemstone is the aquamarine (1971). Colorado State colors are blue and white (1911). Colorado State song is “Where the Columbines Grow” (1915). Colorado State fossil is the stegosaurus (1991).