Lewis and clark timeline By that1guy6 Aug 1, 1770 william clark born Aug 18, 1774 meriwether lewis born Mar 6, 1801 lewis and clark asked to start the expodtion Mar 1, 1803 lewis is named co-captin spring Apr 1, 1803 Camp Wood Established Fall/Winter Jul 4, 1803 louisiana purchace May 14, 1804 start of expodtion Aug 20, 1804 Sgt. Floyd died Aug 30, 1804 Friendly meeting with Yankton Sioux Dec 25, 1804 Fort Mandan completed Aug 31, 1805 Hires Old Toby as a guide Oct 16, 1805 The expedition reaches the Columbia River. Mar 6, 1806 expodition ran our of tabbaco Mar 23, 1806 Fort Clatsop is presented to the Clatsop Indian Sep 23, 1806 Lewis and Clark reach St. Louise