1. In 1973, a major fire broke out at the National Oceanic and Atmospheric Administration's (NOAA) Gulf of Mexico Laboratory in Galveston, Texas. The fire destroyed much of the facility and killed several of the laboratory's research animals.

2. On July 6, 1994, Dallas Cowboys owner Jerry Jones fired longtime head coach Tom Landry, who had led the team to two Super Bowl victories.

3. In 1832, during the Texas Revolution, the Battle of Velasco took place near the Brazos River. The battle was fought between Mexican troops and Texian rebels, with the Texians emerging victorious.

4. On July 6, 1907, the city of Amarillo incorporated as a home-rule city under a new charter.

5. In 1964, President Lyndon B. Johnson signed the Civil Rights Act into law, which prohibited racial segregation in public places and employment discrimination. The law represented a major victory for the civil rights movement, which had been fighting for equal rights for African Americans for decades.