1. In 1803, the Louisiana Purchase was ratified by the United States Senate, officially making Louisiana a part of the United States. The Louisiana Purchase was a major land acquisition by the US from France, which consisted of the territory west of the Mississippi River, including Louisiana and parts of present-day Arkansas, Kansas, Nebraska, Oklahoma, and Texas.

2. In 1820, Pierre Gustave Toutant Beauregard was born in St. Bernard Parish, Louisiana. Beauregard was a military officer and served as the Confederate general during the Civil War. He is best known for directing the Confederate attack on Fort Sumter, which marked the beginning of the Civil War.

3. In 1890, the first State Fair was held in Shreveport, Louisiana. The State Fair is an annual event that celebrates agriculture, industry, and culture in Louisiana. The fair features livestock shows, agricultural contests, carnival rides, and live entertainment.

4. In 1957, the first National Guard unit arrived in Little Rock, Arkansas, to help enforce integration at Central High School. The unit was made up of Louisiana National Guardsmen, and their presence played a crucial role in maintaining order and protecting the rights of African American students.

5. In 2002, former Louisiana Governor Edwin Edwards was sentenced to 10 years in prison on charges of racketeering, extortion, and conspiracy. Edwards had been a colorful figure in Louisiana politics, serving four terms as governor and making headlines for his flamboyant lifestyle and controversial policies. His conviction marked the end of an era in Louisiana politics.