The colonial period, 1647-1776 -- The pre-Civil War period, 1777-1860 -- The Civil War and after, 1860-1900 -- Progress and reform, 1900-1930 -- The Depression and the New Deal, 1930-1940 -- War and prosperity, 1940-1970 -- Economic and social stagnation, 1970-1990 -- Social welfare and the information society, 1990-2003.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.