1. Louisiana became a state on June 20, 1812. After being a territory of the United States for 11 years, Louisiana was admitted as the 18th state of the Union.

2. On June 20, 1837, the steamboat Moselle exploded in the Mississippi River near New Orleans, killing at least 165 people. The incident highlighted the dangers of steamboat travel and led to increased scrutiny of the industry.

3. June 20, 1863 was the first day of the Civil War's Vicksburg Campaign, which ultimately led to the surrender of Confederate forces in Vicksburg, Mississippi the following month. Louisiana played a significant role in the campaign, with Union troops occupying key locations along the Mississippi River.

4. On June 20, 1893, the Louisiana State Lottery officially ceased operations. The controversial lottery had faced criticism and opposition for years and its closure was seen as a victory for anti-gambling activists.

5. Legendary musician and Louisiana native Fats Domino was born on June 20, 1928 in New Orleans. Known for his unique blend of rhythm and blues and rock and roll, Domino's hits included "Blueberry Hill" and "Ain't That a Shame."