Harper's Weekly was an influential American magazine published from 1857 to 1916. It was known for its detailed illustrations and coverage of significant events, including the American Civil War. The magazine played a crucial role in shaping public opinion and providing visual documentation of the era. The publication featured articles, essays, and political cartoons, making it a popular source of news and commentary. Notable contributors included Thomas Nast, a prominent cartoonist whose work helped define political issues of the time. Harper's Weekly remains an important historical resource for understanding 19th-century America.