1. Birth of Blind Lemon Jefferson: On May 7, 1893, Blind Lemon Jefferson, one of the most influential and highly regarded blues musicians of his time, was born in Couchman, Texas. Jefferson's unique style of playing the guitar and his soulful, emotive vocals helped to shape the sound of the blues for generations to come.

2. Mississippi River Flood of 1927: On May 7, 1927, the Mississippi River reached its highest level in recorded history, causing devastating floods throughout the region. The flood, which lasted for months and affected over 700,000 people, had a significant impact on Mississippi and other states along the river.

3. Opening of the Vicksburg National Military Park: On May 7, 1903, the Vicksburg National Military Park was officially opened to the public. The park, which commemorates the Battle of Vicksburg during the American Civil War, has since become a popular tourist attraction and a significant source of heritage in Mississippi.

4. Death of Medgar Evers: On May 7, 1963, civil rights activist and Mississippi field secretary for the NAACP, Medgar Evers, was shot and killed in the driveway of his home in Jackson, Mississippi. Evers' death had a significant impact on the civil rights movement and helped to bring attention to the ongoing struggles for equality and justice in Mississippi.

5. Birth of Archie Manning: On May 7, 1949, Archie Manning, former quarterback for the Mississippi Rebels and the New Orleans Saints, was born in Drew, Mississippi. Manning's successful career in football helped to put Mississippi on the map as a state with a strong sports culture, and he remains a beloved figure in Mississippi history.