| 2026-08-21 | Neighbor of Colo. |
| 2025-11-20 | Scottsbluff's state: Abbr. |
| 2024-05-18 | Only U.S. state with a unicameral legislature: Abbr. |
| 2023-06-18 | Corn Belt state: Abbr. |
| 2021-07-21 | State in Tornado Alley: Abbr. |
| 2021-01-10 | Kan. neighbor |
| 2020-09-09 | Bird's beak |
| 2018-12-21 | Mo. neighbor |
| 2018-05-13 | Lincoln's home: Abbr. |
| 2016-11-03 | Home of Creighton U. |
| 2016-04-09 | Home to Bellevue U. |
| 2016-03-16 | Bird's beak |
| 2015-02-01 | Tornado Alley state: Abbr. |
| 2013-07-20 | Tortoise's beak |
| 2013-04-22 | Omaha's home: Abbr. |
| 2013-04-09 | S. Dak. neighbor |
| 2013-01-06 | It's S. of S. Dak. |
| 2011-09-11 | Ia. neighbor |
| 2011-08-30 | Beak |
| 2011-07-10 | Neighbor of Colo. |
| 2011-03-27 | Cornhusker St. |
| 2011-03-20 | Home of Agate Fossil Beds Natl. Monument |
| 2009-11-08 | Wyo. neighbor |
| 2008-12-09 | Lincoln's home: Abbr. |
| 2008-07-26 | Home of Creighton U. |
| 2008-04-02 | Grain Belt state: Abbr. |
| 2008-03-25 | It's south of S.D. |
| 2007-12-04 | Cornhusker State: Abbr. |
| 2006-12-03 | Homestead Natl. Monument locale |
| 2006-11-02 | Okla. rival |
| 2006-10-29 | Wyo. neighbor |
| 2006-06-11 | Colo. neighbor |
| 2006-03-06 | It's south of S.D. |
| 2005-03-08 | Cornhusker State: Abbr. |
| 2004-01-12 | Omaha's home: Abbr. |
| 2003-12-24 | Cornhusker's state: Abbr. |
| 2003-06-19 | Midwest state: Abbr. |
| 2003-05-25 | Pen tip |
| 2002-12-16 | Omaha's state: Abbr. |
| 2001-10-11 | Colo. neighbor |
| 2001-01-04 | Colo. neighbor |
| 2000-11-30 | S. Dak. neighbor |
| 1999-08-18 | Kan. neighbor |
| 1997-10-22 | Bird's bill |
| 1997-03-02 | Okla. football rival |
| 1996-12-10 | Lincoln's state: Abbr. |
| 1996-04-11 | Bird's beak |
| 1995-12-14 | Lincoln's home: Abbr. |
| 1995-10-17 | Neighbor of Colo. |
| 1995-05-24 | Woodpecker's tool |
| 1995-05-13 | Beak |
| 1995-03-26 | Wyo. neighbor |
| 1995-01-18 | Whippoorwill's bill |
| 1995-01-01 | Beak |