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This is when glaciers withdrew from what is now the state of Iowa
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The first known people to live in what is now Iowa were nomads following game to hunt.
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Trees and grasses begin to grow along streams and rivers.
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Evidence of crops being grown in what is now the state of Iowa.
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United states buys large area of land west of the Mississippi, including what is now Iowa.
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Iowa becomes a part of the United States.
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State capital of Iowa moves from Iowa City to Des Moines.
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The first railroad through the state of Iowa is completed.
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The Rural Free Delivery Act made it possible for Iowa farmers to send and receive mail daily.
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Automobiles become widely used in the state making transportation easier for many Iowans.
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The Iowa Farm Bureau, an organization to support farmers and farming in Iowa was formed.
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Pioneer International first marketed hybrid seed corn which greatly increased corn yields per acre in Iowa.
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Iowa native Herbert Hoover was elected as President of the United States.
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Death of these five Iowa brothers was the greatest casualty disaster for one family in World War II.
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Iowan John Mott of Postville wins a Nobel Prize for his work with the international YMCA
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The National Farmers Organization was founded and helped Iowa farmers get fair prices for their commodities.
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Iowan Norman Borlaug wins a Nobel Prize for his work in agriculture.
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The Iowa Caucuses begin and have a significant effect on choosing presidential candidates.
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Terry Branstad becomes governor of Iowa, the first of five terms he has served so far.
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Ted Waitt founds Gateway Computers in his grandmothers Iowa farmhouse.
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Flooding in 1993 caused more than 2 billion dollars in damage
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Iowa adopts a new state slogan, "Fields of Opportunity."
