Help me revise my thesis statement?

During the early 19th Century, an era struck by the romantic movement, Nathaniel Hawthorne and Edgar Allan Poe became literary masters of the dark romantic element as they used past tragic experiences in their own lives as bases for continual themes in their fictional masterpieces, such as The Raven and Rappaccini’s Daughter; with such success that these literary clics influenced much of the literature written in the 20th Century.