1. Embarking from Camp Dubois:
On May 14, 1804, the Lewis and Clark expedition set out from Camp Dubois, near St. Louis, Missouri, with a crew of about 45 men. Their mission was to explore the vast Louisiana Territory and establish trade relations with Native American tribes.
2. Encountering the Sioux Nation:
In August 1804, the expedition encountered the powerful Sioux (Lakota) Nation. Lewis and Clark held a council with their leaders and successfully secured permission to travel through their territory along the Missouri River.
3. The Shoshone Encounter:
In August 1805, the expedition reached western Montana and met the Shoshone Native American tribe. The Shoshone were crucial in aiding Lewis and Clark by providing horses, guidance, and the services of Sacagawea as an interpreter and guide.
4. Sacagawea's Contributions:
Sacagawea, a Shoshone woman, played a pivotal role in the expedition. She served as a guide and interpreter and helped establish friendly relations with Native American tribes. Her knowledge and skills were indispensable in the expedition's success.
5. Crossing the Continental Divide:
In September 1805, the expedition crossed the Continental Divide at Lemhi Pass, becoming the first documented European-American group to do so. This marked a major milestone in their westward journey.
6. Building Fort Clatsop:
In November 1805, the expedition reached the Pacific Ocean and built Fort Clatsop near present-day Astoria, Oregon, where they spent the winter. During their stay, they encountered various Native American tribes and conducted scientific studies of the region.
7. Encountering the Columbia River:
Upon resuming their journey in March 1806, the expedition explored the Columbia River and its tributaries, mapping and documenting the region's geography and resources.
8. The Return Journey:
In March 1806, Lewis and Clark began their return journey. They followed the same route back to the Mississippi River, relying on the assistance of Native American tribes and the guidance of Sacagawea.
9. Reuniting with Civilization:
In September 1806, the expedition successfully completed its journey and arrived back in St. Louis, Missouri, to a jubilant welcome.
10. Publication of the Journals:
In 1814, Lewis and Clark published their journals, which provided detailed accounts of their journey and observations. These journals are considered valuable historical resources, offering insights into the expedition's achievements, challenges, and contributions to American exploration.