Texas Independence Day Celebration Start Date: Immediately End Date: March 4, 2018 Texas Independence Day Celebration Come celebrate Texas’ Independence at Washington- on-the-Brazos State Park and Historic Site Saturday and Sunday, March 3 and 4. Admission is free. The weekend features kids’ activities, live music, food, demonstrations and living history presentations, including an 1836 Texas Army camp. Washington on the Brazos State Historic Site is halfway between Houston and Austin. Come out and celebrate with us on March 3rd and 4th. Find more information in the calendar section of the Texas parks and Wildlife website.