Western American timeline By Joshual41 Apr 13, 1803 The Louisiana Purchase was made May 9, 1804 Lewis and Clark Lewis and Clark departed from St. Louis to explore land to the west of Mississippi Apr 13, 1812 US declares war on England Apr 13, 1836 Texas becomes independant republic after defeating mexico Apr 13, 1846 The Oregon trail starts up and many move west Apr 13, 1848 The Mexican American war ends with US victory Apr 13, 1849 The gold rush begins after James Marshall discovers gold Apr 13, 1850 The compromise of 1850 is introduced
