| Day | Date | Event | Type |
|---|
| 01/01 | 1/1/2004 | New Years Day | Federal Holiday |
| 01/06 | 1/6/1927 | Charles Schriener III | Famous Birthday |
| 01/19 | 1/19/2004 | ML King Jr. Day | Federal Holiday |
| 02/02 | 2/2/2004 | Groundhog Day | Major Holiday |
| 02/12 | 1/12/1809 | Abraham Lincoln | Major Holiday |
| 02/14 | 2/14/2004 | St. Valentine's Day | Religious Holiday |
| 02/16 | 2/16/2004 | Presidents Day | Federal Holiday |
| 02/22 | 2/22/1732 | George Washington | Major Holiday |
| 02/24 | 2/24/1802 | Gov. Wilson Shannon | Famous Birthday |
| 02/25 | 2/25/2004 | Ash Wednesday | Religious Holiday |
| 03/05 | 3/5/1836 | Charles Goodnight | Famous Birthday |
| 03/17 | 3/17/2004 | St. Patrick's Day | Religious Holiday |
| 03/20 | 3/20/2004 | Spring Begins | Season |
| 04/04 | 4/4/2004 | Daylight Saving Time Begins | Season |
| 04/04 | 4/4/2004 | Palm Sunday | Religious Holiday |
| 04/06 | 4/6/2004 | First Day of Passover | Religious Holiday |
| 04/09 | 4/9/2004 | Good Friday | Religious Holiday |
| 04/10 | 4/10/1908 | JG "Jack Phillips" | Famous Birthday |
| 04/11 | 4/11/2004 | Easter Sunday | Major Holiday |
| 05/09 | 5/9/2004 | Mother's Day | Major Holiday |
| 05/26 | 5/26/1907 | John Wayne | Famous Birthday |
| 05/28 | 5/28/1886 | Graves Peeler | Famous Birthday |
| 05/31 | 5/31/2004 | Memorial Day | Federal Holiday |
| 06/05 | 6/5/1895 | Hopalong Cassidy | Famous Birthday |
| 06/14 | 6/14/2004 | Flag Day | Major Holiday |
| 06/20 | 6/20/2004 | Father's Day | Major Holiday |
| 06/21 | 6/21/2004 | Summer Begins | Season |
| 07/04 | 7/4/2004 | Independance Day | Major Holiday |
| 07/05 | 7/5/2004 | Independance Day (celebrated) | Federal Holiday |
| 07/06 | 7/6/1946 | George W. Bush | Famous Birthday |
| 07/16 | 7/16/2030 | MP "Chico" Wright III | Famous Birthday |
| 08/11 | 8/11/1786 | Davey Crockett | Famous Birthday |
| 09/06 | 9/6/2004 | Labor Day | Federal Holiday |
| 09/18 | 9/18/1888 | J. Frank Dobie | Famous Birthday |
| 09/22 | 9/22/2004 | Fall Begins | Season |
| 09/29 | 9/29/1907 | Gene Autry | Famous Birthday |
| 10/11 | 10/11/2004 | Columbus Day | Major Holiday |
| 10/15 | 10/15/1838 | Judge Isaac C Parker | Famous Birthday |
| 10/31 | 10/31/2004 | Daylight Saving Ends | Season |
| 10/31 | 10/31/2004 | Halloween | Major Holiday |
| 11/01 | 11/1/2004 | All Saints Day | Religious Holiday |
| 11/02 | 11/2/2004 | Election Day | Federal |
| 11/05 | 11/5/1911 | Roy Rogers | Famous Birthday |
| 11/11 | 11/11/2004 | Veteran's Day | Federal Holiday |
| 11/12 | 11/24/1968 | Texas Ranger JP | LH Birthday |
| 11/18 | 11/18/1982 | Overwhelmer | LH Birthday |
| 11/25 | 11/25/2004 | Thanksgiving Day | Federal Holiday |
| 12/08 | 12/8/2004 | Hanukkah Begins | Religious Holiday |
| 12/15 | 12/15/2004 | Hanukkah Ends | Religious Holiday |
| 12/21 | 12/21/2004 | Winter Begins | Season |
| 12/24 | 12/24/2004 | Christmas Day (Celebrated) | Federal Holiday |
| 12/25 | 12/25/2004 | Christmas Day | Major Holiday |
| 12/31 | 12/31/2004 | New Years Day (Celebrated) | Federal Holiday |