| Year |
History |
| 167X |
Approximate time of removal from
Illinois to Nebraska as a result of the domino effect of the Beaver
Wars, mentioned as Mahas, a wandering nation on a Marwuette map
which placed them just east of the Missouri in central Iowa |
| 1700 |
Reference in Beaurain's "Memoire",
Pierre Charles le Seur without visiting tribe recorded their location on
the Big Sioux River, southeast of present Sioux Falls in South Dakota
and with a population of 4,000 |
| 1735 |
First Omaha village west of the
Missouri established on Bow Creek in present Cedar County, Nebraska |
| 1755 |
Village establish near present
location of tribe; Ponca fissioned form the Omaha |
| 1775 |
Large village of Tonwontonga
established under Chief Blackbird |
| 1777 |
Tribe bacame involved in fur
trade |
| 1795 |
Scotsman John McKay established
trading post on the Missouri in present Nebraska, visited Omaha village
and met Chief Blackbird |
| 1800 |
Smallpox epidemic, 2/3 losses |
| 1804 |
Celebrated a Whe'wahchee
or dance of thanksgiving, the first pow wow ever, witnessed by Lewis and
Clark |
| 1808 |
Manuel Lisa established trading
posts in Nebraska near the Omaha, took an Omaha wife, introduced an
array of vegetables to the tribe |
| 1812 |
Manuel Lisa built substantial
trading post |
| 1815 |
Treaty of friendship with U.S. |
| 1824 |
Jean-Pierre Cabanne established
trading post 2.5 miles south of Fort Lisa |
| 1831 |
Smallpox epidemic |
| 1836 |
Tribe ceded large tracts of land
in Missouri to U.S. |
| 1843 |
Tribe attacked by Lakota after
returning to Big Village |
| 1844 |
Tribe abandoned Big Village and
relocated to Papillion Creek |
| 1854 |
Sold their lands except for a
reserve |
| 1865 |
Gave up the northern part of
their territories to the Wiinnebago |
| 1882 |
Granted lands in severalty and
made citizens |
| 1889 |
Susan La Flesche Picotte became
the first Native American woman to become a Medical Doctor |