when was yellowstone national park established
Yellowstone is the United States' first national park. It was established on March 1, 1872 by President Ulysses S. Grant. Yellowstone is mainly located in the state of Wyoming, but it also extends into Montana and a small part of Idaho.ellowstone is the United States' first national park. It was established on March 1, 1872 by President Ulysses S. Grant. Yellowstone is mainly located in the state of Wyoming, but it also extends into Montana and a small part of Idaho.