Final answer:
The 16th Street Baptist Church was tragically bombed in 1963, resulting in the deaths of four young African American girls. The incident brought attention to the civil rights movement.
Step-by-step explanation:
The 16th Street Baptist Church is historically significant because of a tragic event that occurred there. On September 15, 1963, a bomb was thrown into the church by members of the Ku Klux Klan, killing four young African American girls and injuring others. The church was a focal point for civil rights leaders and the bombing served as a catalyst for increased support and attention to the civil rights movement.