H.R. 7385 aims to designate the United States Postal Service facility at 29 Franklin Street in Petersburg, Virginia, as the "John Mercer Langston Post Office Building." The bill mandates that any reference to this facility in U.S. laws or documents be updated to reflect this...
Simple Explanation
The people in charge agreed to name a post office in Petersburg, Virginia, the "John Mercer Langston Post Office Building," so now it will have a special name to honor him.