Important Dates
| 12/31/2022 | THD T-Shirt Contest Deadline |
| February–March 2023 | Regional History Day Contests |
| 03/15/2023 | Texas History Day Registration Deadline |
| 03/15/2023 | THD Website Lockout |
| 03/15/2023 | Deadline for Registration and submission deadline for paper, website, and documentaries. |
| 04/15/2023 | THD Contest and Awards Ceremony |
| 06/11-15/2023 | National History Day |
