Yellowstone Becomes the World’s First National Park
March 1, 1872. President Ulysses S. Grant signs the Yellowstone National Park Protection Act into law, making Yellowstone the world’s first national park. Go to HistoryDaily.com for more history, daily. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.