First State to have a County Public Library System: The Laramie County Public Library System was organized in August of 1886.

First National Park: In 1872, congress named Yellowstone National Park in northwestern Wyoming as the first national park in the world.

First National Forest: By an Act signed by President Benjamin Harrison in 1891, Shoshone National Forest became the first national forest. Wyoming now has nine national forests.

First Ranger Station: Wapiti Ranger Station was established in the Shoshone National Forest in 1891.

First National Monument: Devils Tower in northeastern Wyoming was designated the first national monument by President Theodore Roosevelt in 1906.