Alex By fjellestad Mar 22, 1800 Arapahoe people 1800-1850 Mar 22, 1820 fur trappers mountin men 1820-1843 Period: Mar 22, 1820 to Mar 22, 1840 fur trappers monuntain men Mar 22, 1859 colorado gold rush 1859-1893 Period: Mar 22, 1859 to Mar 22, 1893 colorado gold rush Jan 29, 1897 young amelia earhart Feb 4, 1913 rosa parks is born Period: Jul 28, 1914 to Nov 11, 1918 world war I Period: Jan 7, 1943 to Oct 25, 1955 sadakos life Dec 1, 1955 segrgatad bus seat Period: Dec 1, 1955 to Dec 20, 1956 boycott Dec 1, 2002 my birthday