1. On February 13, 1944, the segregated United States Army Air Corps' 477th Bombardment Group, which was composed of African American aviators, was activated at Selfridge Field in Michigan. This was a pivotal moment in African American history and marked a significant step towards the integration of the United States Armed Forces.

2. On February 13, 1960, a sit-in protest was held at the Woolworth's lunch counter in downtown Jackson, Mississippi. This was part of a larger movement of nonviolent protests against racial segregation that began in Greensboro, North Carolina, and quickly spread throughout the South.

3. On February 13, 1971, legendary blues musician B.B. King recorded a live album at the University of Mississippi. The album, titled "Live in Cook County Jail," features King's signature guitar playing and soulful vocals, and is considered one of his best live performances.

4. On February 13, 1987, the Mississippi Supreme Court ruled in the case of Fordice v. Ayers that Mississippi's public school system was still segregated and ordered the state to take steps to desegregate its schools. This ruling was a landmark decision in the ongoing struggle for civil rights in Mississippi.

5. On February 13, 2013, the Mississippi House of Representatives passed a bill that granted state recognition to the Mississippi Band of Choctaw Indians. This long-awaited recognition was celebrated by the Choctaw Nation and marked a significant step towards greater recognition and respect for indigenous peoples in Mississippi.