Lewis and clark

Explore Thomas Jefferson's central role in the Louisiana Purchase, the Lewis and Clark Expedition, and the Westward Expansion of the United States.

Sacagawea proved to be essential to the expedition. She had the skills and abilities to offer much assistance. Her knowledge of native languages was a great help during their journey. She communicated with other tribes and translated for Lewis and Clark. Click here to learn more!

Discover the fascinating foods of Lewis and Clark's Corps of Discovery Expedition.

How Lewis and Clark—along with a Native American guide, Sacagawea—explored the newly expanded United States

In 1804 Captain Meriwether Lewis and 2nd Lieutenant William Clark led an expedition to map and explore the newly acquired Louisiana Purchase and to establish a route across the North American Continent to the Pacific Ocean. The expedition was known as the Corps of Discovery. The Corps left St. Louis in May 1804 and returned in September 1806. All but one of the 40 men returned alive. It is hard not to compare the Lewis and Clark expedition with the ill-fated Burke and Willis expedition…

William Clark - Co-Leader of the Corps of Discovery Expedition

The first article here takes a look back at the Lewis and Clark Expedition, 100 years later, from 1905.

c. 7000BC- The first humans inhabit Ireland, probably crossing from Britain at Ireland's northeast corner where the islands are closest. These Middle Stone Age humans will leave almost no imprint on Ireland beyond stone tools for about 3000 years.