1. Juneteenth: June 19th, 1865, also known as “Juneteenth,” marks the day when slavery was officially abolished in Texas. This came more than two years after President Abraham Lincoln signed the Emancipation Proclamation.

2. Texas Statehood: On June 19th, 1846, Texas officially became the 28th state to join the United States. This came as a result of the Annexation of Texas, which was hotly debated at the time.

3. The Battle of Valverde: On June 19th, 1862, the Confederate Army won a major victory over Union troops during the Battle of Valverde. This was a pivotal moment in the Civil War, as it allowed the Confederates to establish control over New Mexico Territory.

4. The San Antonio Riverwalk: On June 19th, 1946, the San Antonio Riverwalk opened to the public. Today, it is one of the most popular tourist destinations in Texas, attracting millions of visitors each year.

5. The Austin Dam Disaster: On June 19th, 1900, the Austin Dam collapsed, killing at least ten people and causing widespread damage throughout the city of Austin. This tragedy led to increased scrutiny of dam construction and safety standards, and ultimately led to the creation of the Texas State Board of Engineers.