Robber John Dillinger stole $10,000 in his first robbery at a bank in New Carlisle, Ohio.
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John D. Rockefeller created Standard Oil Company in Cleveland, Ohio.
Ohio became the 17th state to join the United States of America.
Cleveland, Ohio, recorded its coldest March temperature at a bone-chilling -5°F.
Black women's rights activist Sojourner Truth gave her famous speech 'Ain't I A Woman?' at the Women's Rights Convention in Akron, Ohio.
Ohio State University's Big Ear radio telescope detected a deep-space radio signal.
