Westward Expansion Timeline By calvarado Dec 15, 1791 bill of rights Apr 30, 1803 louisiana puchase Period: Apr 30, 1803 to Mar 23, 1806 Lewis and Clark expedition May 28, 1830 Indian Removal Act Period: May 12, 1838 to May 12, 1839 Trail of Tears Mar 3, 1845 Florda becomes a state Period: Apr 25, 1846 to Feb 2, 1848 Mexican-American war May 10, 1869 Transcontinental railroad finished
