1. Louisiana was officially admitted to the Union on June 18, 1812, becoming the 18th state in the United States.

2. On June 18, 1877, the first celebration of Juneteenth was held in Louisiana, commemorating the day in 1865 when slaves in Texas finally received news of their freedom.

3. One of Louisiana's most infamous serial killers, Derrick Todd Lee, was born on June 18, 1968. Lee was responsible for the murders of seven women between 1998 and 2003.

4. On June 18, 1983, Hurricane Alicia made landfall in Louisiana, causing significant damage to the state's infrastructure and leading to the deaths of 21 people.

5. June 18, 2012 marked the 200th anniversary of Louisiana's statehood, with celebrations and events held throughout the state to mark the occasion.