Several Native American groups inhabited the region now known as Wyoming. The Crow, Arapaho, Lakota, and Shoshone were but a few of the original inhabitants white explorers encountered when they first visited the region.

The United States admitted Wyoming into the Union as the 44th state on July 10, 1890.

The outlaw Harry Alonzo Longabaugh, a.k.a. The Sundance Kid, took his nickname from the town of Sundance, Wyoming, where he was jailed at the age of 15 for stealing a horse.

Wyoming's western half is mostly covered by the ranges and rangelands of the Rocky Mountains, while the eastern half of the state is high-elevation prairie called the High Plains.

Old Faithful is a highly predictable cone geyser in Yellowstone National Park. Eruptions can shoot 3,700 to 8,400 gallons of boiling water to a height of 106 to 185 feet (32 to 56 m) lasting from 1½ to 5 minutes. In the early days of the park, Old Faithful was often used as a laundry, with garments placed in the crater and ejected thoroughly washed when the eruption took place.

On May 7, 1869, territorial Governor John Allen Campbell named Cheyenne the temporary capital of Wyoming Territory, and it has remained the only capital ever since.

On December 10, 1869, Territorial Governor John Allen Campbell signed an act of the Wyoming Territorial Legislature granting women the right to vote, making it the first U.S. state or territory to grant suffrage to women.

In 1924, Wyoming became the first state to elect a female governor, Nellie Tayloe Ross, who took office in January 1925. She lost re-election in 1926 but remained an active member of the Democratic Party and later served as the first female Director of the United States Mint.

Due to its civil-rights history, Wyoming's state nicknames is "The Equality State", and the official state motto is "Equal Rights".

Born in 1896 near Chugwater, Wyoming, Steamboat is widely considered among the best bucking broncos in rodeo history. Nicknamed "the horse that couldn't be ridden", the black gelding was christened Steamboat after a nose injury caused him to make a whistling sound whenever he bucked. Steamboat died in 1914 and was later immortalized with the legendary bucking horse and rider symbol.