This event is in the "All Ages" group
Please note you are looking at an event that has already happened.
Library Branch:
Carnegie Library of McKeesport
Age Group:
All Ages
Registration Required
Body:
Andrew Carnegie built his first steel mill in Braddock in 1875. He later added the Homestead plant and the one in Duquesne to create a massive steel empire in the Mon Valley, employing tens of thousands of workers.