1. Louisiana becomes a state: On January 8, 1812, Louisiana officially became the 18th state of the United States. The signing of the Louisiana Statehood Bill by President James Madison gave Louisiana full statehood and representation in the U.S. Congress.

2. Battle of New Orleans: One of the most famous battles in U.S. history took place on January 8, 1815, during the War of 1812. Led by General Andrew Jackson, American troops successfully defended New Orleans against a British invasion force, cementing Jackson's place as a national hero.

3. Louisiana Purchase: The Louisiana Purchase, which doubled the size of the United States, was completed on January 8, 1804. The $15 million purchase from France included Louisiana and parts of 14 other states, making it the largest land deal in U.S. history.

4. Huey P. Long's birthday: Huey P. Long, one of Louisiana's most controversial politicians, was born on January 8, 1893. Long served as governor of Louisiana and was later elected to the U.S. Senate, where he became a powerful political force until his assassination in 1935.

5. Louisiana Superdome opens: On January 8, 1978, the Louisiana Superdome opened in New Orleans. The massive sports and entertainment complex has hosted numerous Super Bowls, NCAA Final Fours, and other major events, and is home to the NFL's New Orleans Saints.