This document discusses the concept and history of religion. It explores definitions of religion from various languages and cultures. Key topics covered include the Reformation and Wars of Religion in Europe, natural religion and whether it is innate or universal, different views on the relationship between natural religion and revelation, and the perspectives of thinkers like Jean Bodin, Edward Lord Herbert, and David Hume on natural religion. The document raises questions about how we study cultures without the concept of religion and what this history means for the understanding of religion in the United States.