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Pennsylvania Archives (A series of books published between 1838 and 1935 by acts of the Pennsylvania legislature - creating an official archive covering the early history of Pennsylvania, including many documents from the American Revolution - unrelated to the state agency, the Pennsylvania State Archives)
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]
The first mass work stoppage in the 195-year history of the United States Post Office Department began with a walkout of letter carriers in Brooklyn and Manhattan, [42] soon involving 210,000 of the nation's 750,000 postal employees. With mail service virtually paralyzed in New York, Detroit, and Philadelphia, President Nixon declared a state ...
At the same time industrialization and the transportation revolution changed the economics of the Northern United States and the Western United States. Heavy immigration from Western Europe shifted the center of population further to the North. Industrialization went forward in the Northeast, from Pennsylvania to New England.
One of the real impetuses for the United States entering the Industrial Revolution was the passage of the Embargo Act of 1807, the War of 1812 (1812–15) and the Napoleonic Wars (1803–15) which cut off supplies of new and cheaper Industrial revolution products from Britain. The lack of access to these goods all provided a strong incentive to ...
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]
The history of the United States from 1815 to 1849—also called the Middle Period, the Antebellum Era, or the Age of Jackson—involved westward expansion across the American continent, the proliferation of suffrage to nearly all white men, and the rise of the Second Party System of politics between Democrats and Whigs.
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.