1. Hurricane Katrina hit Louisiana on September 14, 2005. The category 3 storm caused massive destruction and flooding in New Orleans and other parts of the state.

2. On September 14, 1814, the Treaty of Fort Jackson was signed, ending the Creek War between the United States and the Creek Nation in Alabama and Georgia. Louisiana was not directly involved in the conflict, but the treaty secured the western border of the state and opened up more land for settlement.

3. The Louisiana Supreme Court was established on September 14, 1846. The court serves as the final appellate court for civil and criminal cases in the state.

4. The first oil well in Louisiana was drilled on September 14, 1901, near Jennings in Jeff Davis Parish. The discovery of oil led to a major economic boom for Louisiana and transformed the state's economy.

5. Louisiana State University (LSU) held its first classes on September 14, 1860. The university, located in Baton Rouge, is now one of the largest and most respected institutions of higher education in the state and region.