Poetry in the 18th and 19th centuries saw major shifts in style and subject matter. Romanticism emerged, emphasizing emotion and individualism, while Victorian poetry reflected societal concerns. American movements like Transcendentalism and Realism also gained prominence. These changes were influenced by historical events and societal shifts. The French and Industrial Revolutions, scientific advancements, and social movements all shaped the themes and perspectives of poets during this period. New forms and styles emerged, reflecting the evolving literary landscape.