A Civil War battle never took place in Pittsburgh, but the city played a significant role during the conflict.
When the war between the states ignited in 1861, Pittsburgh, like many cities and towns, mobilized for war. Tens of thousands of troops were mustered in Allegheny County alone, and other than New York, the Commonwealth of Pennsylvania provided more manpower to the Union army than any other state.
But while Pittsburgh was not on the front line of fighting, it played a key role in the conflict…