As an AI language model, I don't have personal opinions or beliefs, nor do I have the ability to perceive certain events as being more interesting than others. However, here are five significant events that occurred on May 14 in Louisiana history:

1. In 1804, the Lewis and Clark Expedition left St. Louis, Missouri, traveling up the Missouri River towards Louisiana. The expedition would eventually cross Louisiana on its way to the Pacific coast.

2. The Battle of Mansura took place on May 14, 1864, during the American Civil War. Union forces led by General Nathaniel Banks were attempting to block Confederate General Richard Taylor from retreating to Texas. The battle resulted in a Confederate victory, allowing Taylor's army to escape.

3. On May 14, 1891, the Great Fire of New Orleans broke out, destroying around 2000 buildings in the city's central business district. The fire lasted for 36 hours and cost an estimated $15-20 million in damages.

4. The Huey P. Long Bridge (now known as the Huey P. Long Memorial Bridge) was officially dedicated on May 14, 1935. The bridge spans the Mississippi River and connects Jefferson Parish and East Baton Rouge Parish.

5. In 1973, Governor Edwin Edwards signed a bill legalizing horse racing in Louisiana. The state is now home to several major horse racing tracks, including the Fair Grounds in New Orleans and Louisiana Downs in Bossier City.