1. Alabama was admitted to the Union on April 30, 1819. On this day, Alabama became the 22nd state to join the United States.

2. On April 30, 1934, Ma Rainey, a legendary blues singer, recorded her final album in Birmingham, Alabama. Ma Rainey was considered one of the most significant artists in the development of blues music.

3. In 1963, on April 30, the "Children's Crusade" took place in Birmingham, Alabama. This was a series of nonviolent protests by African American school children in the city. The protests led to the infamous "Birmingham Campaign" that was instrumental in the passage of the Civil Rights Act of 1964.

4. On April 30, 1975, a tornado outbreak struck Alabama, killing 50 people and causing $500 million in damages. This was one of the deadliest tornado outbreaks in the state's history.

5. On April 30, 2011, a devastating outbreak of tornadoes struck Alabama, leaving 248 people dead and causing billions of dollars in damages. The outbreak was the deadliest in the state's history and one of the most destructive in U.S. history.