| 2026-07-25 | Plains people |
| 2026-04-01 | Midwestern native |
| 2026-03-17 | Great Plains tribe |
| 2025-11-19 | Great Plains native |
| 2025-10-07 | Central Plains tribe |
| 2025-07-13 | Great Plains tribe |
| 2025-05-06 | Central Plains tribe |
| 2025-03-30 | Tribe headquartered in Red Rock, Okla. |
| 2025-02-09 | Tribe along the Missouri River |
| 2025-02-01 | ___-Missouria Tribe |
| 2025-01-05 | Plains tribe |
| 2024-11-18 | Great Plains tribe |
| 2024-04-30 | Siouan tribe |
| 2024-01-31 | Plains tribe |
| 2024-01-12 | Tribe related to the Missouri |
| 2023-12-18 | Great Plains tribe |
| 2023-11-15 | Central Plains tribe |
| 2023-10-01 | Plains tribe |
| 2023-09-27 | Plains people |
| 2023-09-15 | Midwest tribe |
| 2023-09-06 | Great Plains people |
| 2023-09-02 | Platte Valley people |
| 2023-07-02 | ___-Missouria Tribe |
| 2023-05-15 | Great Plains tribe |
| 2022-12-25 | Siouan people |
| 2022-10-23 | Chiwere-speaking tribe |
| 2022-08-01 | Great Plains tribe |
| 2022-02-16 | First Native American tribe to meet with Lewis and Clark |
| 2022-02-10 | Great Plains tribe |
| 2022-01-19 | Plains tribe |
| 2021-10-18 | Siouan people |
| 2021-10-08 | Great Plains tribe |
| 2021-08-09 | Nebraska native |
| 2021-06-18 | Great Plains people |
| 2020-12-29 | Tribe that lent its name to a Nebraska county |
| 2020-10-23 | Omaha relative |
| 2020-10-04 | Native speakers of Chiwere |
| 2020-02-19 | Onetime buffalo-hunting tribe |
| 2019-12-25 | Nebraska county named for an indigenous people |
| 2019-09-27 | Neighbors of the Omaha |
| 2019-07-03 | Great Plains tribe |
| 2019-05-20 | Great Plains tribe |
| 2019-02-04 | Nebraska native tribe |
| 2018-10-16 | Siouan people |
| 2018-08-28 | Tribe at Council Bluff |
| 2018-07-06 | Tribe encountered by Lewis and Clark |
| 2018-03-07 | Early tribe met by Lewis and Clark |
| 2018-02-06 | Plains Indian |
| 2017-11-13 | Plains tribe |
| 2017-08-13 | Missouri River native |
| 2017-02-01 | Great Plains tribe |
| 2016-12-04 | Western tribe |
| 2016-11-27 | Some Great Plains residents |
| 2016-06-07 | Indian tribe that lent its name to a county in Nebraska |
| 2016-01-06 | Great Plains tribe |
| 2016-01-01 | Winnebago relative |
| 2015-11-18 | Plains Indian |
| 2015-11-08 | Chiwere-speaking tribe |
| 2015-10-22 | Platte tribesman |
| 2015-08-02 | Nebraska county or who once lived there |
| 2015-05-24 | Red Rock dweller |
| 2014-12-21 | Siouan speaker |
| 2014-11-20 | Historical buffalo hunter |
| 2014-10-01 | Platte Valley native |
| 2014-08-31 | Oklahoma tribe |
| 2014-08-19 | Plains tribe |
| 2014-05-20 | Plains tribe |
| 2014-04-23 | Plains tribe |
| 2014-03-05 | Siouan tribesman |
| 2014-02-26 | Siouan speaker |
| 2014-02-19 | Siouan tribe |
| 2014-02-15 | Winnebago relative |
| 2014-01-08 | Great Plains tribe |
| 2013-11-26 | Siouan tribe |
| 2013-10-31 | Plains native |
| 2013-06-03 | Great Plains tribe |
| 2013-05-21 | Oklahoma Indian |
| 2013-01-01 | Tribe encountered by Lewis and Clark |
| 2012-10-23 | Western tribe |
| 2012-09-02 | Midwest native |
| 2012-08-20 | Oklahoma tribe |
| 2012-06-18 | Nebraska tribe |
| 2012-05-31 | Nebraska county whose seat is Nebraska City |
| 2012-05-12 | Chiwere speaker |
| 2012-04-22 | Plains Indian |
| 2012-03-30 | Plains people |
| 2012-01-29 | Missouri relatives |
| 2012-01-11 | Plains native |
| 2011-11-09 | Old buffalo hunters of the Great Plains |
| 2011-09-04 | First tribe met by Lewis and Clark |
| 2011-08-13 | Winnebago relative |
| 2011-06-13 | Tribe allied with the Missouri, once |
| 2011-05-29 | Missouri River native |
| 2011-04-10 | Western tribe |
| 2010-06-22 | Plains Indians |
| 2010-05-26 | Plains Indian |
| 2010-04-18 | Old buffalo hunter |
| 2010-01-19 | First Indian tribe met by Lewis and Clark |
| 2009-12-24 | Plains Indian |
| 2009-05-28 | Tribe met by Lewis and Clark |
| 2009-02-25 | Oklahoma tribe |
| 2008-12-21 | Siouan speaker |
| 2008-11-20 | Tribe speaking Chiwere |
| 2008-06-11 | Siouan speaker |
| 2008-04-05 | Nebraska City's county |
| 2008-03-16 | Nebraska county with an Indian name |
| 2008-01-02 | Chief Whitehorse, e.g. |
| 2007-12-26 | Oklahoma tribe |
| 2007-12-16 | Midwest native |
| 2007-11-08 | Siouan speaker |
| 2007-10-31 | Siouan tribe |
| 2007-09-03 | Western native |
| 2007-05-09 | Western Indian |
| 2007-04-22 | Early Nebraskan |
| 2007-02-06 | Offshoot of the Winnebago tribe |
| 2006-12-30 | Nebraska City's county |
| 2006-10-22 | Plains native |
| 2006-10-04 | Cornhusker State tribe |
| 2006-06-08 | Cousin of a Winnebago |
| 2006-05-06 | Oklahoma native |
| 2006-03-11 | Little Thief, for one |
| 2006-01-30 | 15-Down tribe |
| 2005-12-23 | Iowa kin |
| 2005-12-11 | Tribe related to the Missouria |
| 2005-11-19 | Oklahoma people |
| 2005-11-09 | Nebraska native |
| 2005-09-13 | Siouan speaker |
| 2005-07-26 | Plains tribe |
| 2005-05-16 | Siouan tribe |
| 2005-05-12 | Nebraska City is its county seat |
| 2005-03-06 | Ally of the Missouri, once |
| 2004-10-20 | Native Nebraskan |
| 2004-07-11 | Relative of a Winnebago |
| 2004-06-03 | Western tribe |
| 2004-05-11 | Oklahoma Indian |
| 2004-03-18 | Plains tribe |
| 2004-01-28 | Nebraska tribe |
| 2003-12-14 | Native Nebraskan |
| 2003-07-20 | Plains dweller |
| 2003-07-18 | Nebraska county whose seat is Nebraska City |
| 2002-12-11 | Siouan people |
| 2002-10-07 | Siouan tribe |
| 2002-10-03 | Missouri River native |
| 2002-05-30 | Siouan speaker |
| 2001-11-20 | Platte River Indian |
| 2001-06-15 | Some Sooners |
| 2001-06-05 | Oklahoma Indian |
| 2001-06-02 | Language from which "Nebraska" comes |
| 2001-05-31 | Missouri's ally, once |
| 2000-10-23 | Oklahoma Indian |
| 2000-09-17 | Siouan tribe |
| 2000-05-10 | Oklahoma tribe |
| 2000-03-08 | Missouri River tribe |
| 2000-01-14 | Nebraska City's county |
| 2000-01-11 | Native Oklahoman |
| 1999-12-29 | Siouan speaker |
| 1999-09-08 | Ally of the Missouri |
| 1999-07-05 | Western Indian |
| 1999-04-26 | Missouri River tribe |
| 1999-04-02 | Missouri's ally, once |
| 1999-02-23 | Western Indian |
| 1999-02-11 | Missouri Indian relative |
| 1998-11-09 | Siouan speaker |
| 1998-10-14 | Siouan speaker |
| 1998-09-04 | Plains Indian |
| 1998-08-13 | Siouan speaker |
| 1998-08-06 | Nebraska City's county |
| 1998-04-23 | Indian related to the Missouri |
| 1998-03-20 | Siouan speaker |
| 1998-03-08 | Member of the Winnebago nation |
| 1998-01-22 | Missouri Valley tribesman |
| 1998-01-12 | Oklahoma Indian |
| 1998-01-04 | Siouan speaker |
| 1997-11-20 | Oklahoma native |
| 1997-10-18 | Plains Indian |
| 1997-09-11 | Indian tribe |
| 1997-08-27 | Siouan Indian |
| 1997-06-17 | Siouan tribe |
| 1997-03-09 | Part of the Winnebago nation |
| 1997-03-06 | Chief Whitehorse, for one |
| 1996-12-22 | Plains Indian |
| 1996-07-27 | Chief Big Kansas, for one |
| 1995-11-28 | Tribe in the Winnebago nation |
| 1995-11-21 | Nebraska tribesman |
| 1995-11-03 | Western Indian |
| 1995-07-18 | Siouan Indian |
| 1995-04-23 | Western Indian |
| 1994-10-17 | Western Indian |
| 1994-10-15 | Native Oklahoman |
| 1994-08-23 | Sioux Indian |
| 1994-05-22 | Midwestern tribe |
| 1994-04-06 | Tribe in the Winnebago nation |
| 1994-01-05 | Plains Indian |
| 1993-12-27 | Oklahoma tribesman |