Important Dates
| 12/31/2023 | THD T-Shirt Contest Deadline |
| February–March 2024 | Regional History Day Contests |
| 03/20/2024 | Texas History Day Registration Deadline |
| 03/20/2024 | THD Website Lockout |
| 03/20/2024 | Deadline for Registration and submission deadline for paper, website, and documentaries. |
| 04/20/2024 | THD Contest and Awards Ceremony |
| 06/9-13/2024 | National History Day |
