Yellowstone turns 150. Here's a peek into the national park's history

The world famous site became the first national park in the U.S. on March 1, 1872, when President Ulysses S. Grant signed the Yellowstone National Park Protection Act into law. The park, which stretches into Wyoming, Montana, and Idaho, is known for its ...

source https://www.npr.org/2022/03/01/1083766901/yellowstone-150-park-history