Cleveland, City (pop., 2020: 372,624), northeastern Ohio, U.S. Located on the southern shore of Lake Erie, it is Ohio’s second largest city. Initially the site of French and Indian trading posts, it took its name from Moses Cleaveland, who surveyed the area in 1796. It expanded following the opening of the Erie Canal and the arrival of the railroad in 1851. The American Civil War provided the stimulus for iron and steel processing and oil refining (John D. Rockefeller founded Standard Oil there), and heavy industry is still basic to its economy. More than 400 medical and industrial research centres and numerous educational institutions are in the area. The Rock and Roll Hall of Fame and Museum, designed by I.M. Pei, opened in 1995.
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