1. Louisiana became a state: On July 18, 1812, Louisiana officially became the 18th state in the United States of America. The state is known for its multicultural heritage, unique food, music, and festivals.

2. Hurricane Audrey struck: On July 18, 1957, Hurricane Audrey, one of the deadliest storms to ever hit the United States, made landfall in Louisiana. The Category 4 storm killed over 500 people, caused $147 million in damages, and forever changed the way that people in the Gulf Coast region prepared for natural disasters.

3. George Rodrigue was born: On July 18, 1944, George Rodrigue, the famous Louisiana artist known for his "Blue Dog" paintings, was born in New Iberia. His paintings, which often feature a blue dog with yellow eyes, have been displayed in galleries and museums around the world.

4. Avery Island was purchased: On July 18, 1833, Daniel Dudley Avery purchased Avery Island, which would later become famous as the birthplace of Tabasco hot sauce. The island is located in the marshes of southern Louisiana and is credited with producing some of the best quality peppers in the world.

5. LSU School of Veterinary Medicine opened: On July 18, 1977, the Louisiana State University School of Veterinary Medicine opened in Baton Rouge. The school has become one of the top-ranked veterinary schools in the country and has produced many accomplished veterinarians and researchers.