1. In 1927, the Great Mississippi Flood peaked in Louisiana, leaving over a million people homeless and causing massive damage to crops and infrastructure.

2. On July 21, 1960, Huey P. Long's iconic statue was dedicated in Baton Rouge, Louisiana. The statue commemorates the life of the legendary Louisiana politician who served as governor from 1928 until his assassination in 1935.

3. The Louisiana Superdome, located in New Orleans, opened its doors on July 21, 1975. It has since been renamed the Mercedes-Benz Superdome and is home to the New Orleans Saints NFL team.

4. Louisiana has a state fossil, the petrified palmwood, which was designated as such on July 21, 1976. These fossils are found in several locations across the state and are over 30 million years old.

5. On July 21, 2001, Hurricane Barry made landfall in Louisiana, causing widespread damage and flooding. The storm resulted in five deaths and caused over $300 million in damages.