Question: Which National Historic Landmark in Oberlin, Ohio was also home to the first African American that was elected to a United States Public Office? 
Sentence (from "John Mercer Langston House"): It was home to John Mercer Langston, attorney, abolitionist, diplomat, US Congressman and college president, who as town clerk in Oberlin was one of the first African Americans elected to public office in the United States.
Relevant evidence: Yes