Yvonne German, teacher at Fort Dearborn Elementary School in Chicago, IL, celebrates trailblazing golfer Pete Brown, with a special introduction by Jada Pinkett Smith

Kimiko Cowley-Pettis, school teacher at Avalon Park Elementary School in Chicago, IL, commemorates the Greensboro Four's Woolworth's lunch counter sit-in, with a special introduction from CNN anchor Don Lemon

Today we celebrate boxing champion Jersey Joe Walcott

Today we celebrate Ruth Wright Hayre, Philadelphia's first African American high school teacher

Today we celebrate Clarence L. Holte, who, at one time, was thought to have the largest private collection of books on blacks and black culture

Today we share some background on author and political activist Angela Davis

Today we celebrate Sheila Crump Johnson, businesswoman and co-founder of Black Entertainment Television

Today we celebrate professional volleyball player and Olympic medalist Flo Hyman

Today's history lesson is on the 24th Amendment to the U.S. Constitution

Today we celebrate Susan Rice, the 27th U.S. Ambassador to the United Nations