1. On February 22, 1862, the Confederate ironclad CSS Louisiana was scuttled by her crew in the Mississippi River during the American Civil War to prevent her from being captured by Union forces.

2. In 1901, on February 22, the Louisiana Purchase Exposition Corporation was established in New Orleans to organize the Louisiana Purchase Exposition, also known as the St. Louis World's Fair, which was held in 1904.

3. On February 22, 1957, three African-American students, known as the "Baton Rouge Three," were arrested for attempting to enroll in the all-white Louisiana State University. This incident was a significant event in the Civil Rights Movement in Louisiana.

4. In 1985, the Louisiana Superdome hosted its highest attendance for a basketball game on February 22, when 65,885 fans watched the University of Houston defeat Louisiana State University.

5. On February 22, 2006, Mardi Gras celebrations in New Orleans were subdued following Hurricane Katrina, with many parades and festivities being cancelled or scaled back. However, residents still managed to celebrate the event despite the devastation caused by the hurricane.