Complex sentence: In 1784, following the peace treaty that ended the American Revolutionary War, the Americans renamed Tryon County as Montgomery County in honor of the US general, Richard Montgomery, who had captured several places in Canada and died attempting to capture the city of Quebec.
Split into simpler sentences: In 1784, following the peace treaty that ended the American Revolutionary War, the Americans renamed Tryon County as Montgomery County in honor of the US general, Richard Montgomery. He had captured several places in Canada and died attempting to capture the city of Quebec.