1. On February 12, 1912, the Arkansas State Capitol building was completed and officially dedicated. Designed by New York architect Cass Gilbert, the building stands at 230 feet tall and is inspired by the U.S. Capitol building.

2. In 1954, the United States Supreme Court issued the landmark Brown v. Board of Education decision, which declared segregation in public schools unconstitutional. The decision had a significant impact on Arkansas schools, leading to the desegregation of Little Rock Central High School in 1957.

3. Actor and comedian Johnny Cash, known for hits like "I Walk the Line" and "Ring of Fire," was born in Kingsland, Arkansas on February 26, 1932. Cash later became a country music legend and was inducted into the Country Music Hall of Fame in 1980.

4. On February 12, 1818, Arkansas became a territory of the United States, with Missouri Territory to the north and Louisiana Territory to the south. The territory remained under U.S. control until it was admitted as a state in 1836.

5. February 12, 1983 was a significant day in Arkansas sports history, as former Razorbacks quarterback and future NFL star Joe Ferguson was inducted into the Arkansas Sports Hall of Fame. Ferguson played in the NFL for 17 seasons, including stints with the Buffalo Bills, Detroit Lions, Tampa Bay Buccaneers, and Houston Oilers.