1. In 1804, the Louisiana Purchase was approved by the US Senate, which led to the acquisition of Louisiana Territory by America from France. The purchase marked the beginning of Louisiana's journey to becoming part of the United States.

2. In 1862, Confederate forces under General John C. Breckinridge launched a surprise attack on Union troops stationed in Donaldsonville, Louisiana. The battle resulted in a Confederate victory and demonstrated the ongoing conflict between the North and South during the American Civil War.

3. In 1945, the USS Indiana, a battleship named after the state but built in Louisiana, was launched from the Newport News Shipbuilding and Drydock Company. The ship saw action in the Pacific Theater during World War II and served until 1963.

4. In 1960, the New Orleans chapter of the Congress of Racial Equality (CORE) launched a series of lunch counter sit-ins at McCrory's and Woolworth's department stores in New Orleans. The sit-ins were a part of the larger Civil Rights Movement and led to the integration of lunch counters in the city.

5. In 2007, Hurricane Barry made landfall in Louisiana, causing widespread damage and flooding throughout the state. The storm was classified as a category one hurricane and caused over $500 million in damages.