1. In 1937, a tornado struck the town of Jarrell, Texas, killing 27 people and causing widespread destruction. This remains one of the deadliest tornadoes in Texas history.

2. On May 28, 1830, the Mexican government outlawed slavery in Texas. This was a significant step toward the eventual independence of Texas from Mexico.

3. Baseball legend Nolan Ryan, who played for the Texas Rangers, recorded his 100th career win on May 28, 1982. Ryan is still considered one of the greatest pitchers in baseball history.

4. In 1968, Texas Governor John Connally was shot and almost killed while riding in a car with President John F. Kennedy in Dallas. The shooting occurred on November 22, 1963, but Connally survived his injuries and went on to serve as governor for several more years.

5. The annual Texas Folklife Festival, which celebrates the state's diverse cultural heritage, usually takes place over Memorial Day weekend, which often includes May 28. The festival features food, music, dance, crafts, and other cultural traditions from around Texas, making it a popular event for locals and visitors alike.