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On August 30, 1847, Cyrus McCormick and future mayor Charles M. Gray begin construction of what would become Chicago's largest reaper factory. > Learn more
Students may conduct History Fair research at the following times:
Tuesday through Friday, 1:00—4:30 p.m.Saturday, 10:00 a.m.—12:00 noon and 1:00—4:30 p.m.