Martin Luther King Jr.'s time in St. Augustine, and St. Augustine's central place in the Civil Rights Movement, are among the most important and least discussed aspects of Florida history and civil rights history. There are obvious and surprising reasons for that.

Flagler College history professor and civil rights author Michael Butler helps us understand what happened in St. Augustine during 1963 and 1964 and its critical role in the Civil Rights Movement. Follow Michael on Twitter @dr_mbutler.