Franklin, the first African American Peanuts character, was introduced to Charlie Brown and the gang in 1968. Credit: Mashable composite. Peanuts Worldwide In 1968, shortly after the assassination of Martin Luther King Jr., a Los Angeles schoolteacher named Harriet Glickman wrote to Charles Schulz regarding the lack of integration in Peanuts. At that time, Peanuts was already one of the most popul