1. On May 22, 1841, the first major flood in Louisiana history occurred, resulting in the destruction of crops, homes, and farmland. This event marked the beginning of a series of devastating floods that would continue to plague the state for years to come.

2. The Louisiana Purchase was officially completed on May 22, 1804, doubling the size of the United States overnight. After months of negotiations, the French finally agreed to sell the Louisiana Territory to the United States for $15 million.

3. In 1915, the first jazz concert in Louisiana history was held in New Orleans on May 22. Led by Joe "King" Oliver and his band, this performance helped establish jazz as a distinct and uniquely American musical style.

4. On May 22, 1862, Union troops captured Baton Rouge during the Civil War. The city had been a strategic target for both sides, as it was home to a major naval yard and arsenal. The Union's victory helped secure their control over the Mississippi River and split the Confederacy in two.

5. Louisiana's first black lieutenant governor, Paul Hardy, was inaugurated on May 22, 1988. Hardy, a former state legislator, was elected alongside Governor Buddy Roemer and served in the position for four years. He was a vocal advocate for social justice and racial equality throughout his political career.