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A Century of Progress records

A Century of Progress International Exposition was held in Chicago during the summers of 1933 and 1934 to commemorate the incorporation of the city in 1833. This collection consists of the extant operating records of A Century Progress World's Fair.
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One milligram of protactinium placed on exhibit in the Hall of Science
Image Image
Date:
1933-1934
Collection:
Century of Progress records
Access:
Public access