1. On August 17, 1862, the Battle of Baton Rouge took place during the American Civil War. Union forces successfully defended the city against a Confederate attack.

2. The first Louisiana State Fair was held on August 17, 1906, in Shreveport. It featured exhibits and competitions for agriculture, livestock, and household goods.

3. August 17, 1937, marked the opening of the Huey P. Long Bridge over the Mississippi River, connecting Baton Rouge and West Baton Rouge Parish. The bridge was named after former Louisiana governor and senator Huey P. Long.

4. On August 17, 1990, the Louisiana Superdome suffered damage from Hurricane Andrew. The storm caused a power outage and ripped a small hole in the roof, resulting in the rescheduling of several events.

5. August 17, 2013, was declared "Saints Day" by the City of New Orleans and the State of Louisiana, in honor of the New Orleans Saints football team's 1967 founding. Celebrations included a parade and a charity event benefiting local youth organizations.