Allegheny City ceased to exist on December 9, 1907, the sixtyseven-year-old city’s colorful and storied neighborhoods absorbed into the larger city across the river to become Pittsburgh’s North Side.

Ten years later, a man named John Campbell laid out the beginnings of the city of Pittsburgh near the confluence of the Allegheny and Monongahela and convenient to the massive coal deposits at ...

If you have an Allegheny County or Pittsburgh library card, you’ll be able to get into over a dozen Pittsburgh attractions for free this summer.