Glossary Term – Person
William Clark
William Clark (1770–1838) was the frontiersman and explorer who, with Meriwether Lewis, led the Lewis and Clark Expedition in the Louisiana Territory and Pacific Northwest in 1804–1806. Born in Virginia, Clark joined the militia on the Ohio frontier in 1789 and was commissioned as a lieutenant of infantry in the Army in 1792. Under General Anthony Wayne, Clark took part in the Battle of Fallen Timbers in 1794. He left the military in 1796 and in 1803 was invited by Meriwether Lewis to join him in leading an expedition through the Louisiana...


![[Appeal from the Western Sanitary Commission to President Abraham Lincoln regarding the condition of freed slaves], November 6, 1863 (Gilder Lehrman Collection) [Appeal from the Western Sanitary Commission to President Abraham Lincoln regard](http://www.gilderlehrman.org/sites/default/files/imagecache/aggregate-208x148/content-images/01545.11.jpg)

