Significant Events in Native American History after European contact By Jessica_Gz May 13, 1607 Jamestown is Founded Jul 16, 1769 Mission Period Begins Nov 4, 1775 Native Americans in San Diego Rebelled Jul 4, 1803 Louisiana Purchase Nov 1, 1831 Trail of Tears (Cherokee/ Chickasaw) Jun 1, 1832 Malaria Epidemic Aug 17, 1833 Act for the Secularization of the Missions of California (End of Mission Period) Aug 26, 1834 Indian Intercourse Act Jun 18, 1837 Smallpox Epidemic Spread Aug 30, 1856 Chickasaw Nation is Created Feb 10, 1891 La Jolla and Cuyapaipe Reservations established Feb 10, 1893 Campo Indian Reservation established Jun 2, 1924 Citizenship Act Jul 1, 1985 Creek Reservation established