1. The Battle of Fort Henry: On February 4, 1862, Union forces captured Fort Henry in a decisive victory during the American Civil War. The engagement forced Confederate troops to abandon their positions in Tennessee and opened up the way for Union forces to move deeper into the Confederacy.

2. The Tennessee Waltz becomes the state song: On February 4, 1965, the Tennessee General Assembly officially adopted the Tennessee Waltz as the state song. The song, written in 1948 by Redd Stewart and Pee Wee King, is a tribute to the state's official dance and has since become an iconic symbol of Tennessee.

3. Memphis sanitation workers strike: On February 4, 1968, over 1,300 black sanitation workers in Memphis went on strike to protest their low wages and lack of rights. The strike, which lasted for over two months, garnered national attention and eventually led to the assassination of civil rights leader Martin Luther King Jr.

4. Andrew Jackson's birth: On February 4, 1767, future President Andrew Jackson was born in Waxhaws, South Carolina. Jackson would later move to Tennessee and become a prominent figure in the state's military and political history, ultimately serving as the seventh President of the United States.

5. The Tennessee State Capitol building opens: On February 4, 1856, the Tennessee State Capitol building in Nashville was officially opened. Designed by noted architect William Strickland, the building is one of the most recognizable landmarks in the state and serves as the home of Tennessee's government to this day.