Questions to Consider:
When viewing information in the timeline, consider the following questions:

• What time in history did this event occur? What else was happening at that time?
• What events led to this event? What events followed it? Does this event begin or end something? Is this event part of a sequence of other events?
• How did this event influence the present? How might it influence our future?

Sources:
Several entries for this timeline were adapted from Prairie Voices Iowa Heritage Curriculum, Annotated Iowa History Timeline, State Historical Society of Iowa, 1995. Used with permission.

Additional Sources:

• Agriculture in the Classroom: The History of American Agriculture, United States Department of Agriculture.
• Discovering Historic Iowa Transportation Milestones, Iowa Department of Transportation, 2000.
• Downey, Mathew T. American History 1 and 2. Chicago: McGraw-Hill, 2006.
• History and Life: The World and Its People. Glenview, Illinois: Scott, Foresman and Company, 1980.
• Keenan, Sheila. Scholastic Encyclopedia of Women in the United States. New York: Scholastic Reference, 1996.
• National Standards for History, UCLA National Center for History in the Schools, 1996.
• Randy Lyon, This Month In Iowa History, State Historical Society of Iowa.
• The Challenge of Freedom. River Forest, Illinois: Laidlaw Brothers, 1982.
• William Kovarik, Ph.D., Environmental History Timeline, Radford University,
• World Adventures in Time and Place. New York: Macmillan McGraw-Hill, 1997.