As an AI language model, I don't have personal opinions, but here are five interesting facts about May 17 in Louisiana history:

1. In 1954, the US Supreme Court made a landmark decision in the case of Brown vs. Board of Education, stating that segregation in public schools was unconstitutional. The ruling had a significant impact on Louisiana, which was one of many states in the South that had enacted laws to segregate schools based on race.

2. On May 17, 1864, a Civil War battle took place in Louisiana between Union forces led by Major General Nathaniel Banks and Confederate troops commanded by General Richard Taylor. The battle ended in a Confederate victory, but it was one of the last significant conflicts in Louisiana during the Civil War.

3. May 17 is designated as National Pack Rat Day, a fun holiday for people who like to collect and save things. In Louisiana, the day is a good reminder to clear out your attic or garage, which can be susceptible to mold and mildew in the humid Louisiana climate.

4. On May 17, 1732, explorer and cartographer Guillaume Delisle published his map of Louisiana, which was one of the earliest maps to accurately depict the region. The map was instrumental in helping French colonizers understand the layout of Louisiana and the Mississippi River system.

5. In New Orleans, May 17 is celebrated as the start of the city's annual Greek Festival. The festival, which includes food, music, and cultural events, celebrates the contributions of the city's Greek community, which has been an important part of New Orleans since the 19th century.