March 15, 1843. Richard Henry Boyd, publisher for the National Baptist convention, USA, was born in Shelby, NC. ABHS has issues of the National Baptist newspaper 1865-1894, and the National Baptist Convention Series for 1900, 1902, and 1936. National Baptist Convention is the largest predominantly African-American Christian denomination in the United States. It is headquartered at the Baptist World Center in Nashville, Tennessee. The denomination claims approximately 31,000 congregations. The Convention reports having an estimated 7.5 million members.