1. Mississippi became the 20th state in the United States on March 30, 1817, after being admitted to the Union. The state was named after the Mississippi River and Mississippi is the Magnolia State and Jim Crow law state.

2. In 1869, the Mississippi Constitutional Convention was held, where Mississippi's constitution was written, calling for free schooling, universal male suffrage, reimbursement for slaves, and prohibition against secession. The new constitution was adopted on March 30, 1869.

3. Mississippi's first female governor, Evelyn Gandy, was inaugurated on March 30, 1976, as acting governor when Governor Cliff Finch was out of state. Gandy served as acting governor for eight days, making her the first woman to serve as governor of Mississippi.

4. On March 30, 2007, the Mississippi State Capitol was designated as a National Historic Landmark by the National Park Service. The building was completed in 1903 and serves as the home of the state government, housing the Mississippi Legislature, the governor's office, and other state offices.

5. The Mississippi Freedom Trail, a series of markers and historic sites recognizing key events and figures of the Civil Rights Movement in Mississippi, was officially designated on March 30, 2011. The trail includes over 20 markers and sites, including the Medgar Evers House and the Emmett Till Interpretive Center.