1. Alabama became a state on December 14, 1819, but it wasn't until February 10, 1820, that the capital was officially moved from Huntsville to Cahaba. Cahaba served as the capital until 1826, when it was moved to Tuscaloosa.

2. On February 10, 1962, a group of African American students, known as the "Huntsville Sit-Ins," staged a sit-in protest at a segregated lunch counter in a Huntsville, Alabama department store. The protest helped to spark the larger Civil Rights Movement in the state.

3. The first Mardi Gras celebration in Mobile, Alabama took place on February 10, 1703. The French settlers in the area marked the occasion with parades and masquerade balls, which have since become a beloved tradition in the city.

4. On February 10, 1947, the USS Pickerel (SS-524), a submarine built at the shipyards in Mobile, Alabama, sank in the Pacific Ocean with all hands on board. The cause of the sinking remains a mystery to this day.

5. The first flight of the NASA High Energy Astronomy Observatory-2 (HEAO-2), now known as the Einstein Observatory, took place on February 10, 1978. The satellite was designed to study the universe in X-rays and held the record for the longest mission duration of any space observatory until its decommissioning in 1981.