John D. Rockefeller created Standard Oil Company in Cleveland, Ohio.
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The Firestone Tire and Rubber Company started selling inflatable tires from Akron, Ohio.
Cleveland, Ohio, recorded its coldest March temperature at a bone-chilling -5°F.
Barbed wire was patented by Lucien B Smith in Ohio, US.
Alcoholics Anonymous was founded in Akron, Ohio.
Ohio State University's Big Ear radio telescope detected a deep-space radio signal.
