Complex sentence: The Great Awakening or First Great Awakening was an evangelical and revitalization movement that swept Protestant Europe and British America, especially the American colonies, in the 1730s and 1740s, leaving a permanent impact on American Protestantism.
Split into simpler sentences: The Great Awakening or First Great Awakening was a Protestant religious revival that swept Protestant Europe and British America in the 1730s and 1740s. An evangelical and revitalization movement, it left a permanent impact on American Protestantism.