Original sentence: Benjamin Thompson House, also known as the Count Rumford Birthplace, located at 90 Elm Street, in the North Woburn area of Woburn, Massachusetts, is the birthplace of scientist and inventor Benjamin Thompson (1753-1814), who became Count Rumford of the Holy Roman Empire as well as Sir Benjamin Thompson of the United Kingdom It is on both the List of National Historic Landmarks and the List of National Register of Historic Places
Edited sentence: Benjamin Thompson House, also known as the Count Rumford Birthplace, located at 90 Elm Street, in the North Woburn area of Woburn, Massachusetts, is the birthplace of scientist and inventor Benjamin Thompson (1753-1814), who became Count Rumford of the Holy Roman Empire as well as Sir Benjamin Thompson of the United Kingdom It is was designated a  National Historic Landmarks in 1975