History of Harrisburg, Pennsylvania
The history of Harrisburg, the state capital of the Commonwealth of Pennsylvania, United States, has played a key role in the development of the nation's industrial history from its origins as a trading outpost to the present. Harrisburg has played a critical role in American history during the Westward Migration, the American Civil War, and the Industrial Revolution.
Source: Wikipedia — History of Harrisburg, Pennsylvania (CC BY-SA 4.0)