Sacagawea, also Sakakawea or Sacajawea, was a Lemhi Shoshone woman who helped the Lewis and Clark Expedition achieve each of its chartered mission objectives exploring the Louisiana Purchase. With the expedition, between 1804 and 1806, she...
Yellowstone National Park is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March...
