1. Texas Independence Day: February 14 marks the day when Texas became an independent republic in 1836.

2. Valentine's Day Massacre: In 1929, one of the most notorious events in organized crime history took place in Chicago. However, it is said that a related shooting in San Antonio that occurred on the same day was actually the first Valentine's Day Massacre.

3. The LaSalle Expedition: On February 14, 1687, explorer Rene-Robert Cavelier, better known as LaSalle, was assassinated by members of his own expedition in what is now East Texas.

4. Texas Ranger Hall of Fame: On February 14, 1968, the Texas Ranger Hall of Fame and Museum was opened in Waco, Texas, to honor the legendary law enforcement agents that have become synonymous with the state's history.

5. African American History Month: Since 1976, February has been designated as African American History Month in the United States. In Texas, this is a time to celebrate the contributions of African Americans to the state's history and culture.