The Arapaho placed some emphasis on age grades, mainly for ceremonial purposes. Their annual sun dance was a major tribal event, and later the Arapaho adopted the Ghost Dance religion. There are three major divisions—the Atsina or Gros Ventre, who were allied with the Blackfoot and now live with the Assiniboin on the Fort Belknap Reservation in Montana; the Southern Arapaho, now living with the Cheyenne in Oklahoma; and the Northern Arapaho, who retain all of the sacred tribal stone articles and are considered by tribal members to represent the parent group. Since 1876 they have lived with their former enemies, the Shoshone, on the Wind River Reservation, occupying some 2 million acres in Wyoming, near Yellowstone National Park. The Arapaho depend on tourism for much of their income. There were close to 7,000 Arapaho in the United States in 1990.
See G. A. Dorsey and A. L. Kroeber, Traditions of the Arapaho (1903, repr. 1974); V. C. Trenholm, Arapahoes, Our People (1970).
North American Plains Indian peoples living mostly in Oklahoma and Wyoming, U.S. They are believed to have once lived in permanent villages in the Eastern Woodlands. Their language is of Algonquian stock. Like other Plains groups, the Arapaho were nomadic, living in tepees and depending on the buffalo for subsistence. They split into northern and southern groups after 1830. They were highly religious and practiced the sun dance. Their social organization included age-graded military societies as well as men's shamanistic societies. They traded with the Mandan and Arikara and were often at war with the Shoshone, Ute, and Pawnee. A southern branch was long allied with the Cheyenne and fought with them against Lt. Col. George Custer at the Little Bighorn in 1876. Arapaho descendants numbered some 15,000 in the early 21st century.
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They originally used dogs to pull travois with their belongings on them. When the Europeans came to North America, the Arapaho saw the Europeans' horses and realized that they could travel quicker and further with horses instead of dogs. They raided other Indian tribes, primarily the Pawnee and Comanche, to get the horses they needed.
Later on, they became great traders and often sold furs to other tribes and non-Indians. The name 'Arapaho' might have come from the Pawnee word for 'traders.'
The children often fished and hunted with their fathers for recreation. While they had more chores to do than present-day Arapaho, they still had time to play games. They played many games, including one involving a netted hoop and a pole where they would try to throw their pole through the center of the net. It was much like the game of darts which is enjoyed today.
In July 2005, Arapahos won a contentious court battle with the State of Wyoming to get into the gaming or casino industry. The 10th Circuit Court ruled that the State of Wyoming was acting in bad faith when it would not negotiate with the Arapahos for gaming. Presently, the Arapaho Tribe owns and operates high-stakes, Class III gaming at the Wind River Casino, Little Wind Casino and 789 Smoke Shop & Casino. They are regulated by a Gaming Commission composed of three Tribal members. The Northern Arapaho Tribe opened the first casinos in Wyoming.
During November 1864, a small village of Cheyenne and Arapaho became the victims of a controversial attack by the Union Army, led by Colonel John Chivington. This attack is now known as the Sand Creek Massacre.
The late Eugene Ridgely, a Cheyenne-Northern Arapaho artist, is generally credited with bringing to light the fact that Arapahos were involved with the Massacre. His children, Eugene "Snowball" Ridgely, and Gail Ridgely, have been instrumental in designating the massacre site as a National Historic Site.