1. On May 13, 1862, the Battle of Raymond was fought during the Civil War. Union forces attacked Confederate troops, resulting in a Union victory and opening the way for General Grant's siege of Vicksburg.

2. In 1954, May 13 was the date of the landmark Brown v. Board of Education Supreme Court decision that declared segregation in public schools unconstitutional. This ruling helped spark the Civil Rights Movement and challenged the discriminatory practices still present in Mississippi and other Southern states.

3. On May 13, 1961, the Freedom Riders arrived in Jackson, Mississippi, as part of their campaign to challenge segregation in interstate travel. They were met with violence and arrests, but their actions brought more attention to the struggle for civil rights in the state.

4. In 1997, tornadoes swept through parts of Mississippi on May 13, causing significant damage and destruction. Over 60 injuries were reported, and several homes and businesses were destroyed.

5. May 13 is also celebrated as Mississippi Day, recognizing the state's rich history and culture. The celebrations often include parades, concerts, and other festivities highlighting the state's unique heritage.