Billy Sunday was an American evangelist who was born in Iowa in the late 19th century. Known for his fiery preaching style and his ability to draw large crowds, Sunday played a significant role in the rise of American Protestantism in the early 20th century. Some synonyms for Billy Sunday might include "revivalist," "evangelist," "preacher," or "missionary." Other terms that could be associated with Sunday might include "crusader," "proselytizer," "zealot," or even "showman." Regardless of what term is used to describe him, there is no denying that Billy Sunday left a powerful legacy in the world of American religion.