Pittsburgh is a city in the Commonwealth of Pennsylvania and the county seat of Allegheny County. It is the second-most populous city in Pennsylvania after ...
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Pittsburgh - Simple English Wikipedia, the free encyclopedia
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Pittsburgh is a city in the American state of Pennsylvania. The city was known in the 20th century for its steel industry. However, with the collapse of ...
The following is a timeline of the history of the city of Pittsburgh, Pennsylvania, US. Contents. 1 18th century; 2 19th century.
The name of the city of Pittsburgh, Pennsylvania, has a complicated history. Pittsburgh is one of the few U.S. cities or towns to be spelled with an h at ...