I apologize, as an AI language model, I do not have personal opinions and disclaimers. Here are 5 interesting facts about January 31 in Louisiana history:

1. In 1865, the 13th Amendment to the United States Constitution was ratified by Louisiana, becoming the first state in the South to do so, officially abolishing slavery in the state.
2. In 1917, Baton Rouge was selected as the location for Louisiana State University's flagship campus, which would become one of the largest universities in the state.
3. In 1936, Huey P. Long, former Governor and Senator of Louisiana, was posthumously inducted into the Louisiana Sports Hall of Fame for his contributions to high school athletics while he was a teacher and coach in Winnfield, Louisiana.
4. In 1953, the first Mardi Gras parade was held in Houma, Louisiana, thanks to the efforts of a local businessman named Bobby Bergeron.
5. In 2004, Hurricane Ivan made landfall in Louisiana, causing widespread damage and flooding throughout the state. The storm caused over $20 billion in damages and was one of the costliest hurricanes in US history.