Iowa History By MJZietlow Period: 9000 BCE to 8000 BCE Native Americans first settle in what will become Iowa 1673 Marquette explores Mississippi River 1700 Major Native American Tribes in Iowa: Ioway, Winnebago, Meskwaki, Sioux, Potawatomi, Sauk 1788 Julien Dubuque gets permission from Meskwaki to open mines near the city that will be named for him 1803 Louisiana Purchase doubles the size of the USA 1804 Lewis and Clark sail along the western edge of Iowa while exploring Louisiana 1804 John Deere Born 1812 War of 1812 and Battle of Credit Island 1830 LeClaire settled by Europeans 1832 Blackhawk War 1838 Iowa becomes a territory 1846 Iowa Becomes a State & Buffalo Bill Cody born in LeClaire Period: 1861 to 1865 Civil War 1862 Battle of Shiloh and Homestead Act 1869 Transcontinental Railroad completed 1873 Forest Grove School No. 5 first bulit 1876 Laura Ingalls Wilder lives in Iowa 1903 Bettendorf IA incorporated