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Hydrogen fluoride and sulfur dioxide emissions from U.S. Steel's Donora Zinc Works and its American Steel & Wire plant were frequent occurrences in Donora. What made the 1948 event more severe was a temperature inversion, a situation in which warmer air aloft traps pollution in a layer of colder air near the surface.
Erskine Hazard (1790-1865) and his partner Josiah White were industrialists who developed infrastructure projects in Pennsylvania and throughout the Northeastern United States, which proved influential in ushering in the Industrial Revolution in the United States, which served as a foundation for the rise of the United States as the world's ...
Each of the museum's exhibitions represent a certain aspect of industrial history in Pennsylvania and the nation. [2] The museum is the first affiliate museum of the Smithsonian Institution. [2] The museum was proposed in the 1990s, but was sidelined due to legal issues, which prevented clearance for opening until 2015.
The Homestead strike, also known as the Homestead steel strike, Homestead massacre, or Battle of Homestead, was an industrial lockout and strike that began on July 1, 1892, culminating in a battle in which strikers defeated private security agents on July 6, 1892. [5]
Indentured servitude in Pennsylvania (1682-1820s): The institution of indentured servitude has a significant place in the history of labor in Pennsylvania. From the founding of the colony (1681/2) to the early post-revolution period (1820s), indentured servants contributed considerably to the development of agriculture and various industries in ...
Pennsylvania's history of human habitation extends to thousands of years before the foundation of the Province of Pennsylvania. Archaeologists generally believe that the first settlement of the Americas occurred at least 15,000 years ago during the last glacial period , though it is unclear when humans first entered present-day Pennsylvania.
The Industrial Revolution altered the U.S. economy and set the stage for the United States to dominate technological change and growth in the Second Industrial Revolution and the Gilded Age. [28] The Industrial Revolution also saw a decrease in labor shortages which had characterized the U.S. economy through its early years. [29]
It was located in the community of Lawrenceville, Pennsylvania, which was annexed by the city of Pittsburgh in 1868. Today, the site is the location of the nine-acre [ 2 ] Arsenal Park as well as Arsenal Middle School , a county health services complex, and a large condominium development.