| Year |
History |
| 1650 |
Approximate year Arapaho removed
from the Red River Valley of North Dakota and Minnesota to the eastern
Rocky Mountains, likely as a result of the domino effect of the Beaver
Wars (1640-1680) in which the Iroquois attacked all of the tribes from
New York to the Mississippi River and from the Ohio River to above the
Great Lakes. |
| 1700 |
Approximate year in which tribe
contributed to the fission of the Comanche from the Northern Shoshone
and the removal of the Comanche, Kiowa, and Kiowa Apache from the region
of Wyoming; and soon thereafter the tribe acquired guns and horses;
Kroeber estimated that the Gros Ventre fissioned from the Arapaho
nucleus entity |
| 1830 |
Slowly began to separate into
northern and southern tribes |
| 1840 |
Made peace with Lakota, Dakota,
Comanche, and Kiowa; at war with Northern Shoshone, Ute, and Pawnee |
| 1864 |
Arapaho and Cheyenne men, women,
and children massacred at Sand Creek in Colorado by Chivington |
| 1865 |
Gen. Patrick Conner routed the
tribe killing chief Black Bear and men, women, and children. |
| 1867 |
Medicine Lodge Treaty; Southern
Arapaho place on reservation in Oklahoma with Southern Cheyenne |
| 1869 |
Transcontinental railroad
completed through territory |
| 1876 |
Northern Arapaho placed on Wind
River Reservation in Wyoming along with their traditional enemies the
Northern Shoshone |
| 1892 |
Oklahoma lands allotted in
severalty |