These past 200 years or so have seen some of the most rapid cultural development in human history. The industrial era changed everything, and when the people of the world waged war upon each other, life was changing for everybody. To peek back at those significant times, and times thereafter, here are some pictures of Iowa’s greatest cities.

If you have seen similar photographs while looking through old family things, share them online to make sure they won’t get forgotten.What did you think of these photos? Tell us in the comments below.

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