1. On June 11, 1836, Texas President David G. Burnet signed the Texas Declaration of Independence, formally declaring Texas' independence from Mexico. The document listed the grievances of the Texan people and their reasons for establishing their own government.

2. In 1865, General Gordon Granger arrived in Galveston, Texas, and read General Order No. 3, announcing the end of slavery in Texas. This event is celebrated annually as Juneteenth, a significant holiday in African American history.

3. On June 11, 1929, President Herbert Hoover signed a bill establishing Acadia National Park in Maine. This may not seem relevant to Texas, but the Texas portion of the park system is actually the second-largest in the country, with over 90 parks and historic sites across the state.

4. In 1958, a devastating tornado struck the town of Pleasanton, Texas, killing 11 people and injuring more than 200 others. The tornado, estimated to be an F4 on the Fujita scale, destroyed much of the town and caused millions of dollars in damage.

5. On June 11, 1974, the United States Supreme Court ruled in Milliken v. Bradley that school segregation cannot be remedied by merging urban and suburban school districts. This ruling had a significant impact on school desegregation efforts across the country, including in Texas.