History of Pennsylvania
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The history of Pennsylvania stems back thousands of years when the first
indigenous peoples Indigenous peoples are culturally distinct ethnic groups whose members are directly descended from the earliest known inhabitants of a particular geographic region and, to some extent, maintain the language and culture of those original people ...
occupied the area of what is now Pennsylvania. In 1681, Pennsylvania became an
English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ...
colony when
William Penn William Penn ( – ) was an English writer and religious thinker belonging to the Religious Society of Friends (Quakers), and founder of the Province of Pennsylvania, a North American colony of England. He was an early advocate of democracy a ...
received a royal deed from King Charles II of England. Although European activity in the region precedes that date (the area was first colonized by the Dutch in 1643). The area was home to the Lenape,
Susquehannocks The Susquehannock people, also called the Conestoga by some English settlers or Andastes were Iroquoian Native Americans who lived in areas adjacent to the Susquehanna River and its tributaries, ranging from its upper reaches in the southern pa ...
,
Iroquois The Iroquois ( or ), officially the Haudenosaunee ( meaning "people of the longhouse"), are an Iroquoian Peoples, Iroquoian-speaking Confederation#Indigenous confederations in North America, confederacy of First Nations in Canada, First Natio ...
, Erie,
Shawnee The Shawnee are an Algonquian-speaking indigenous people of the Northeastern Woodlands. In the 17th century they lived in Pennsylvania, and in the 18th century they were in Pennsylvania, Ohio, Indiana and Illinois, with some bands in Kentucky a ...
, Arandiqiouia, and other American Indian tribes. Most of these tribes were driven off or reduced to remnants as a result of diseases, such as smallpox. The
English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ...
took control of the colony in 1667. In 1681, William Penn, a Quaker, established a colony based on religious tolerance; it was settled by many
Quakers Quakers are people who belong to a historically Protestant Christian set of denominations known formally as the Religious Society of Friends. Members of these movements ("theFriends") are generally united by a belief in each human's abili ...
along with its chief city Philadelphia, which was also the first planned city. In the mid-1700s, the colony attracted many
German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...
and Scots-Irish immigrants. Pennsylvania played a central role in the
American Revolution The American Revolution was an ideological and political revolution that occurred in British America between 1765 and 1791. The Americans in the Thirteen Colonies formed independent states that defeated the British in the American Revoluti ...
, and
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
served as the nation's capital for a portion of the 18th century. During the 19th century, Pennsylvania would grow into its northwestern, northeastern, and southwestern borders with
Pittsburgh Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...
becoming one of America's largest and most prominent cities for a period of time. The state played an important role in the Union's victory in the
American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States. It was fought between the Union (American Civil War), Union ("the North") and t ...
. Following the war, Pennsylvania grew into a Republican stronghold politically and a major manufacturing and transportation center. During the
20th century The 20th (twentieth) century began on January 1, 1901 ( MCMI), and ended on December 31, 2000 ( MM). The 20th century was dominated by significant events that defined the modern era: Spanish flu pandemic, World War I and World War II, nucle ...
, after the
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
of the 1930s and
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
in the 1940s, Pennsylvania moved towards the service and financial industries economically and became a swing state politically. In 2022,
Josh Shapiro Joshua David Shapiro (born June 20, 1973) is an American politician and attorney who has served as the Pennsylvania Attorney General since 2017. A member of the Democratic Party, he is the governor-elect of Pennsylvania. Raised in Montgomery ...
became the second Jewish governor-elect of Pennsylvania and will take office in January 2023.


Pre-Columbian era

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 the area known as Pennsylvania. There is an open debate in the archaeological community regarding when the ancestors of Native Americans expanded across the two continents down to the tip of South America, with possibilities ranging between 30,000 and 10,500 years ago. The Meadowcroft Rockshelter contains the earliest known signs of human activity in Pennsylvania, and perhaps all of North America, as it contains the remains of a civilization that existed over 10,000 years ago and possibly pre-dated the Clovis culture.Ancient Pa. Dwelling Still Dividing Archaeologists
/ref> By 1000 C.E., in contrast to their nomadic hunter-gatherer
ancestors An ancestor, also known as a forefather, fore-elder or a forebear, is a parent or ( recursively) the parent of an antecedent (i.e., a grandparent, great-grandparent, great-great-grandparent and so forth). ''Ancestor'' is "any person from w ...
, the native population of Pennsylvania had developed agricultural techniques and a mixed food economy. The best information we have detailing Pennsylvania's prehistory comes from a mix of oral history and archaeology, which pushes the known record back another 500 years or so. Before the Iroquois pushed out from the St. Lawrence River region, Pennsylvania appears to have been populated primarily by Algonquians and Siouans. We know from archaeology that the Monongahela had a far more vast territory at the time and the Iroquois Book of Rites shows that there were Siouans along Lake Erie's southern shores as well. The Iroquois collectively called them the Alligewi (better written Adegowe), or Mound Builders. It is said that this is where the term Allegheny comes from (Adegoweni). Two groups of migrating Iroquoians moved through the region—an Iroquois related group who spread west along the Great Lakes and a Tuscarora related group who followed the coast straight south. The Eries were the next to split off from the Iroquois and may have once held northwestern Pennsylvania. An offshoot of them crossed the Ohio and fought back the ancient Monongahela, but later merged with the Susquahannocks to form a single, expanded territory. (Europeans later said that they used the terms White Minqua and Black Minqua to differentiate their ancestries from one another.) A whole other Iroquoian tribe, the Petun, are believed to be Huron related and entered the region after, wedging in between the Eries and Iroquois. By the time that
European colonization of the Americas During the Age of Discovery, a large scale European colonization of the Americas took place between about 1492 and 1800. Although the Norse had explored and colonized areas of the North Atlantic, colonizing Greenland and creating a short t ...
began, several Native American tribes inhabited the region. The Lenape spoke an Algonquian language, and inhabited an area known as the Lenapehoking, which was mostly made up of the state of New Jersey, but incorporated a lot of surrounding area, including eastern Pennsylvania. Their territory ended somewhere between the Delaware and Susquehanna rivers, within the state bounds. The
Susquehannock The Susquehannock people, also called the Conestoga by some English settlers or Andastes were Iroquoian Native Americans who lived in areas adjacent to the Susquehanna River and its tributaries, ranging from its upper reaches in the southern pa ...
spoke an Iroquoian language and held a region spanning from New York to West Virginia, that went from the area surrounding the Susquehanna River all the way to the Allegheny and Monongahela Rivers (about level with modern-day Pittsburgh). European disease and constant warfare with several neighbors and groups of Europeans weakened these tribes, and they were grossly outpaced financially as the Hurons and Iroquois blocked them from proceeding into Ohio during the Beaver Wars. As they lost numbers and land, they abandoned much of their western territory and moved closer to the Susquehanna River and the Iroquois and Mohawk to the north. Northwest of the Allegheny River was the Iroquoian Petun, known mostly for their vast Tobacco plantations, although this is believed to be complete fabrication. They were fragmented into three groups during the Beaver Wars—the Petun of New York, the Wyandot of Ohio and the Tiontatecaga of the Kanawha River in southern West Virginia. (Their much grander than previously thought size evidenced by Kentatentonga being used on the Jean Louis Baptiste Franquelin map, a known name for Petun, showing them with Pennsylvania bounds and with 19 villages destroyed and the use of Tiontatecaga, mimicking the Petun autonym, Tionontati) South of the Alleghany River was, allegedly, a nation known as the Calicua (probably Kah-dee-kwuh), or Cali. They may have been the same as the Monongahela Culture and very little is known about them, except that they were probably a Siouan culture. Archaeological sites from this time in this region are scarce and the very few historical sources even mention them—most of these sources only coming from those who met Calicua traders further east on the Allegheny. Early on, a tribe known as the Trokwae were said to have settled among the westernmost Susquehannocks, along the Ohio River. They may be the same as the Tockwogh, a small Iroquoian tribe from the Delmarva Peninsula (In many surviving Iroquoian languages, 'r' is silent.). They, however, did not survive the Beaver Wars. During that time, the highly influential Mohawks seceded from the Iroquois Confederacy and the remaining four tribes—Seneca, Cayuga, Onondaga and Oneida—began attacking into Ohio, destroying the Petun and other tribes, then the Erie. Later, after their war with the Susquehannocks ended in the 1670s, they pushed straight south from New York and began attacking other tribes of Virginia. In the end, the French pushed the Iroquois back to the Ohio-PA border, where they were finally convinced to sign a peace treaty in 1701. They sold off much of their remaining, extended lands to the English, but kept a large section along the Susquahanna River for themselves, which they allowed refugees of other tribes to settle in towns, such as Shamokin—such as Lenape, Tutelo, Saponi, Piscataway and Nanticoke, to name but a few. Around the onset of the French-Indian War, the English Ambassador to the Iroquois, William Johnson, was able to repair relations between the Iroquois and Mohawk and the nation re-unified. In the 1750s, the refugee tribes were relocated to New York, where they were roughly reorganized along cultural lines into three new Tutelo, Delaware and Nanticoke tribes of the Iroquois Confederacy. In the 1680s, due to conflicts with the sons of William Penn resulted in the Walking Purchase and after the English conquered the colony of New Netherland, the majority of the Lenape were relocated to northeastern Ohio, immediately prior to that very region being conquered by the French. Other tribes would pass through, such as the first
Shawnee The Shawnee are an Algonquian-speaking indigenous people of the Northeastern Woodlands. In the 17th century they lived in Pennsylvania, and in the 18th century they were in Pennsylvania, Ohio, Indiana and Illinois, with some bands in Kentucky a ...
, after they broke away from the Virginian Algonquian tribes along the east coast. They soon after merged with other tribes in Ohio, Kentucky and West Virginia to form a massive confederacy that held much of the eastern Ohio River Valley until the Shawnee Wars in 1811–1813. Like the other indigenous peoples of the Americas, the Native Americans of Pennsylvania suffered from a massive loss in population caused by disease following the beginning of the Columbian Exchange in 1492. The Monongahela culture of southwestern Pennsylvania suffered such large losses that it was nearly extinct by the time Europeans arrived in the region in the 17th century.


Early colonization

Long-term European exploration of the Americas commenced after the 1492 expedition of
Christopher Columbus Christopher Columbus * lij, Cristoffa C(or)ombo * es, link=no, Cristóbal Colón * pt, Cristóvão Colombo * ca, Cristòfor (or ) * la, Christophorus Columbus. (; born between 25 August and 31 October 1451, died 20 May 1506) was a ...
, and the 1497 expedition of John Cabot is credited with discovering continental North America for Europeans.
European exploration of North America The exploration of North America by European sailors and geographers was an effort by major European powers to map and explore the continent with the goal of economic, religious and military expansion. The combative and rapid nature of this explorat ...
continued in the 16th century, and the area now known as Pennsylvania was mapped by the French and labeled ''L'arcadia'', or "wooded coast", during
Giovanni da Verrazzano Giovanni da Verrazzano ( , , often misspelled Verrazano in English; 1485–1528) was an Italian ( Florentine) explorer of North America, in the service of King Francis I of France. He is renowned as the first European to explore the Atlanti ...
's voyage in 1524. Even before large-scale European settlement, the Native American tribes in Pennsylvania engaged in trade with Europeans, and the fur trade was a major motivation for the European colonization of North America. The fur trade also sparked wars among Native American tribes, including the Beaver Wars, which saw the Iroquois Confederacy rise in power. In the 17th century, the Dutch, Swedish, and British all competed for southeastern Pennsylvania, while the
French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...
expanded into parts of western Pennsylvania. In 1638, the Kingdom of Sweden, then one of the
great power A great power is a sovereign state that is recognized as having the ability and expertise to exert its influence on a global scale. Great powers characteristically possess military and economic strength, as well as diplomatic and soft power i ...
s in Europe, established the colony of
New Sweden New Sweden ( sv, Nya Sverige) was a Swedish colony along the lower reaches of the Delaware River in what is now the United States from 1638 to 1655, established during the Thirty Years' War when Sweden was a great military power. New Sweden f ...
in the area of the present-day Mid-Atlantic states. The colony was established by Peter Minuit, the former governor of
New Netherland New Netherland ( nl, Nieuw Nederland; la, Novum Belgium or ) was a 17th-century colonial province of the Dutch Republic that was located on the east coast of what is now the United States. The claimed territories extended from the Delmarva ...
, who established the fur trading colony over the objections of the Dutch. New Sweden extended into modern-day Pennsylvania, and was centered on the Delaware River with a capital at Fort Christina (near
Wilmington, Delaware Wilmington (Unami language, Lenape: ''Paxahakink /'' ''Pakehakink)'' is the largest city in the U.S. state of Delaware. The city was built on the site of Fort Christina, the first Swedish colonization of the Americas, Swedish settlement in North ...
). In 1643, New Sweden Governor Johan Björnsson Printz established Fort Nya Gothenburg, the first European settlement in Pennsylvania, on Tinicum Island. Printz also built his own home,
The Printzhof The Printzhof, located in Governor Printz Park in Essington, Pennsylvania, was the home of Johan Björnsson Printz, governor of New Sweden. In 1643, Johan Printz moved his capital from Fort Christina (located in what is now Wilmington, Delaware) ...
, on the island. In 1609, the
Dutch Republic The United Provinces of the Netherlands, also known as the (Seven) United Provinces, officially as the Republic of the Seven United Netherlands ( Dutch: ''Republiek der Zeven Verenigde Nederlanden''), and commonly referred to in historiograph ...
, in the midst of the Dutch Golden Age, commissioned
Henry Hudson Henry Hudson ( 1565 – disappeared 23 June 1611) was an English sea explorer and navigator during the early 17th century, best known for his explorations of present-day Canada and parts of the northeastern United States. In 1607 and 16 ...
to explore North America. Shortly thereafter, the Dutch established the colony of
New Netherland New Netherland ( nl, Nieuw Nederland; la, Novum Belgium or ) was a 17th-century colonial province of the Dutch Republic that was located on the east coast of what is now the United States. The claimed territories extended from the Delmarva ...
to profit from the North American fur trade. In 1655, during the Second Northern War, the Dutch under Peter Stuyvesant captured
New Sweden New Sweden ( sv, Nya Sverige) was a Swedish colony along the lower reaches of the Delaware River in what is now the United States from 1638 to 1655, established during the Thirty Years' War when Sweden was a great military power. New Sweden f ...
. Although Sweden never again controlled land in the area, several Swedish and Finnish colonists remained, and with their influence came America's first log cabins. The
Kingdom of England The Kingdom of England (, ) was a sovereign state on the island of Great Britain from 12 July 927, when it emerged from various Anglo-Saxon kingdoms, until 1 May 1707, when it united with Scotland to form the Kingdom of Great Britain. On ...
had established the Colony of Virginia in 1607 and the adjacent
Colony of Maryland The Province of Maryland was an English and later British colony in North America that existed from 1632 until 1776, when it joined the other twelve of the Thirteen Colonies in rebellion against Great Britain and became the U.S. state of Maryla ...
in 1632. England also claimed the Delaware River watershed based on the explorations of John Cabot, John Smith, and Francis Drake. The English named the Delaware River for
Thomas West, 3rd Baron De La Warr Thomas West, 3rd Baron De La Warr ( ; 9 July 1577 – 7 June 1618), was an English merchant and politician, for whom the bay, the river, and, consequently, a Native American people and U.S. state, all later called "Delaware", were named. He was ...
, the Governor of
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
from 1610 until 1618. During the Second Anglo-Dutch War (1665–1667), the English took control of the Dutch (and former Swedish) holdings in North America. At the end of the Third Anglo-Dutch War, the 1674 Treaty of Westminster permanently confirmed England's control of the region. Following the voyages of
Giovanni da Verrazzano Giovanni da Verrazzano ( , , often misspelled Verrazano in English; 1485–1528) was an Italian ( Florentine) explorer of North America, in the service of King Francis I of France. He is renowned as the first European to explore the Atlanti ...
and Jacques Cartier, the French established a permanent colony in
New France New France (french: Nouvelle-France) was the area colonized by France in North America, beginning with the exploration of the Gulf of Saint Lawrence by Jacques Cartier in 1534 and ending with the cession of New France to Great Britain and Spa ...
in the 17th century to exploit the North American fur trade. During the 16th, 17th, and 18th centuries, the French expanded New France across present day Eastern Canada into the Great Lakes region, and colonized the areas around the
Mississippi River The Mississippi River is the List of longest rivers of the United States (by main stem), second-longest river and chief river of the second-largest Drainage system (geomorphology), drainage system in North America, second only to the Hudson B ...
as well. New France expanded into western Pennsylvania by the 18th century, as the French built
Fort Duquesne Fort Duquesne (, ; originally called ''Fort Du Quesne'') was a fort established by the French in 1754, at the confluence of the Allegheny and Monongahela rivers. It was later taken over by the British, and later the Americans, and developed a ...
to defend the Ohio River valley. With the end of the Swedish and Dutch colonies, the French were the last rivals to the British for control of the region that would become Pennsylvania. France was often allied with Spain, the only other remaining European power with holdings in continental North America. Beginning in 1688 with
King William's War King William's War (also known as the Second Indian War, Father Baudoin's War, Castin's War, or the First Intercolonial War in French) was the North American theater of the Nine Years' War (1688–1697), also known as the War of the Grand Alli ...
(part of the Nine Years' War), France and England engaged in a series of wars for dominance over Northern America. The wars continued until the end of the
French and Indian War The French and Indian War (1754–1763) was a theater of the Seven Years' War, which pitted the North American colonies of the British Empire against those of the French, each side being supported by various Native American tribes. At the st ...
in 1763, when France lost
New France New France (french: Nouvelle-France) was the area colonized by France in North America, beginning with the exploration of the Gulf of Saint Lawrence by Jacques Cartier in 1534 and ending with the cession of New France to Great Britain and Spa ...
.


Colonial period

On March 4, 1681,
Charles II of England Charles II (29 May 1630 – 6 February 1685) was King of Scotland from 1649 until 1651, and King of England, Scotland and Ireland from the 1660 Restoration of the monarchy until his death in 1685. Charles II was the eldest surviving child o ...
granted the Province of Pennsylvania to
William Penn William Penn ( – ) was an English writer and religious thinker belonging to the Religious Society of Friends (Quakers), and founder of the Province of Pennsylvania, a North American colony of England. He was an early advocate of democracy a ...
to settle a debt of £16,000 (around £2,100,000 in 2008, adjusting for retail inflation) that the king owed to Penn's father. Penn founded a proprietary colony that provided a place of religious freedom for Quakers. Charles named the colony ''Pennsylvania'' ("Penn's woods" in Latin), after the elder Penn, which the younger Penn found embarrassing, as he feared people would think he had named the colony after himself. Penn landed in North America in October 1682, and founded the colonial capital,
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
, that same year. In addition to English Quakers, Pennsylvania attracted several other ethnic and religious groups, many of whom were fleeing persecution and the religious wars.
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peopl ...
Quakers settled a large tract of land north and west of Philadelphia, in what are now Montgomery, Chester, and
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
counties. This area became known as the " Welsh Tract", and many cities and towns were named for points in Wales. The colony's reputation of religious freedom and tolerance also attracted significant populations of
German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...
, Scots-Irish, Scots, and French settlers. Many of the settlers worshiped a brand of Christianity disfavored by the government of their homeland;
Huguenots The Huguenots ( , also , ) were a religious group of French Protestants who held to the Reformed, or Calvinist, tradition of Protestantism. The term, which may be derived from the name of a Swiss political leader, the Genevan burgomaster B ...
,
Puritans The Puritans were English Protestants in the 16th and 17th centuries who sought to purify the Church of England of Roman Catholic practices, maintaining that the Church of England had not been fully reformed and should become more Protestant. ...
,
Calvinist Calvinism (also called the Reformed Tradition, Reformed Protestantism, Reformed Christianity, or simply Reformed) is a major branch of Protestantism that follows the theological tradition and forms of Christian practice set down by John C ...
s, Mennonites and Catholics all migrated to Pennsylvania. Other groups, including
Anglican Anglicanism is a Western Christian tradition that has developed from the practices, liturgy, and identity of the Church of England following the English Reformation, in the context of the Protestant Reformation in Europe. It is one of t ...
s and Jews, migrated to Pennsylvania, while Pennsylvania also had a significant African-American population by 1730. Additionally, several Native American tribes lived in the area under their own jurisdiction. Settlers of Swedish and Dutch colonies that had been taken over by the British continued to live in the region. To give his new province access to the ocean, Penn had leased the proprietary rights of the King Charles II's brother, James, Duke of York, to the "three lower counties" (now the state of
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
) on the Delaware River. In Penn's '' Frame of Government of 1682'', Penn established a combined assembly by providing for equal membership from each county and requiring legislation to have the assent of both the
Lower Counties Delaware Colony in the North American Middle Colonies consisted of land on the west bank of the Delaware River Bay. In the early 17th century the area was inhabited by Lenape and possibly the Assateague tribes of Native Americans. The first Europ ...
and the Upper Counties. The meeting place for the assembly alternated between Philadelphia and New Castle. In 1704, after disagreements between the upper and lower counties, the lower counties began meeting in a separate assembly.
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
and
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
continued to share the same royal governor until the
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
, when both Pennsylvania and Delaware became states. Penn died in 1718, and was succeeded as proprietor of the colony by his sons. While Penn had won the respect of the Lenape for his honest dealing, Penn's sons and agents were less sensitive to Native American concerns. The 1737 Walking Purchase expanded the colony, but caused a decline in relations with the Lenape. Pennsylvania continued to expand and settle in the areas to the West until the
Royal Proclamation of 1763 The Royal Proclamation of 1763 was issued by King George III on 7 October 1763. It followed the Treaty of Paris (1763), which formally ended the Seven Years' War and transferred French territory in North America to Great Britain. The Procla ...
, which forbade all settlers from settling on the western side of the
Appalachian Mountains The Appalachian Mountains, often called the Appalachians, (french: Appalaches), are a system of mountains in eastern to northeastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. The ...
. Meanwhile,
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
became an important port and trading center. The
University of Pennsylvania The University of Pennsylvania (also known as Penn or UPenn) is a Private university, private research university in Philadelphia. It is the fourth-oldest institution of higher education in the United States and is ranked among the highest- ...
was founded during this period, and
Benjamin Franklin Benjamin Franklin ( April 17, 1790) was an American polymath who was active as a writer, scientist, inventor, statesman, diplomat, printer, publisher, and political philosopher. Encyclopædia Britannica, Wood, 2021 Among the leading int ...
established various other organizations such as the
American Philosophical Society The American Philosophical Society (APS), founded in 1743 in Philadelphia, is a scholarly organization that promotes knowledge in the sciences and humanities through research, professional meetings, publications, library resources, and communit ...
, the Union Fire Company, and the Pennsylvania Abolition Society. By the start of the
American Revolution The American Revolution was an ideological and political revolution that occurred in British America between 1765 and 1791. The Americans in the Thirteen Colonies formed independent states that defeated the British in the American Revoluti ...
,
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
was the largest city in British North America. The western portions of Pennsylvania were among disputed territory between the colonial British and French during the
French and Indian War The French and Indian War (1754–1763) was a theater of the Seven Years' War, which pitted the North American colonies of the British Empire against those of the French, each side being supported by various Native American tribes. At the st ...
(the North American component of the
Seven Years' War The Seven Years' War (1756–1763) was a global conflict that involved most of the European Great Powers, and was fought primarily in Europe, the Americas, and Asia-Pacific. Other concurrent conflicts include the French and Indian War (1754 ...
). The French had established numerous fortified sites in Pennsylvania, including Fort Le Boeuf, Fort Presque Isle, Fort Machault, and the pivotal
Fort Duquesne Fort Duquesne (, ; originally called ''Fort Du Quesne'') was a fort established by the French in 1754, at the confluence of the Allegheny and Monongahela rivers. It was later taken over by the British, and later the Americans, and developed a ...
, located near the present site of
Pittsburgh Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...
. Many Indian tribes were allied with the French because of their long trading history and opposition to the expansion of the British colonies. The conflict began near the present site of Uniontown, Pennsylvania when a company of Virginia militia under the command of
George Washington George Washington (February 22, 1732, 1799) was an American military officer, statesman, and Founding Father who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of ...
ambushed a French force at the Battle of Jumonville Glen in 1754. Washington retreated to Fort Necessity and surrendered to a larger French force at the
Battle of Fort Necessity The Battle of Fort Necessity, also known as the Battle of the Great Meadows, took place on July 3, 1754, in what is now Farmington in Fayette County, Pennsylvania. The engagement, along with the May 28 skirmish known as the Battle of Jumonvill ...
. In 1755, the British sent Braddock Expedition to capture Fort Duquesne, but the expedition ended in failure after the British lost the Battle of the Monongahela near present-day Braddock, Pennsylvania. In 1758, the British sent the Forbes Expedition to capture Fort Duquesne. The French won the Battle of Fort Duquesne, but after the battle the outnumbered French force demolished Fort Duquesne and retreated from the area. Fighting in North America had mostly come to an end by 1760, but the war continued until the signing of the Treaty of Paris in 1763. Britain's victory in the war helped secure Pennsylvania's frontier, as the Ohio Country came under formal British control. Although
New France New France (french: Nouvelle-France) was the area colonized by France in North America, beginning with the exploration of the Gulf of Saint Lawrence by Jacques Cartier in 1534 and ending with the cession of New France to Great Britain and Spa ...
was no more, the French would deal their British rivals a major blow in the
American Revolution The American Revolution was an ideological and political revolution that occurred in British America between 1765 and 1791. The Americans in the Thirteen Colonies formed independent states that defeated the British in the American Revoluti ...
by
aiding In international relations, aid (also known as international aid, overseas aid, foreign aid, economic aid or foreign assistance) is – from the perspective of governments – a voluntary transfer of resources from one country to another. A ...
the rebel cause. During the
French and Indian War The French and Indian War (1754–1763) was a theater of the Seven Years' War, which pitted the North American colonies of the British Empire against those of the French, each side being supported by various Native American tribes. At the st ...
, Pennsylvania settlers experienced raids from Indian allies of the French. The settlers' pleas for military relief were stymied by a power struggle in Philadelphia between Governor Robert Morris and the Pennsylvania Assembly. Morris wanted to send military forces to the frontier, but the Assembly, whose leadership included
Benjamin Franklin Benjamin Franklin ( April 17, 1790) was an American polymath who was active as a writer, scientist, inventor, statesman, diplomat, printer, publisher, and political philosopher. Encyclopædia Britannica, Wood, 2021 Among the leading int ...
, refused to grant the funds unless Morris agreed to the taxation of the proprietary lands, the vast tracts still owned by the Penn family and others. The dispute was finally settled, and military relief sent, when the owners of the proprietary lands sent 5,000 pounds to the colonial government, on condition that it was considered a free gift and not a down payment on taxes. Shortly after the end of the
French and Indian War The French and Indian War (1754–1763) was a theater of the Seven Years' War, which pitted the North American colonies of the British Empire against those of the French, each side being supported by various Native American tribes. At the st ...
, Indians attempted to drive the British out of Ohio country in Pontiac's Rebellion. The war, which began in 1763, saw heavy fighting in western Pennsylvania. The native forces were defeated in the Battle of Bushy Run. The war lasted until 1766, when the British made peace. During the war, the king issued the Proclamation Act. The act barred Americans from any settling west of the Appalachians, and reserved that territory for the Native Americans. Fighting between Native Americans and Americans in present-day Pennsylvania continued in Lord Dunmore's War and the Revolutionary War. Native American tribes ceased to pose a military threat to European settlers in Pennsylvania after the conclusion of the Northwest Indian War in 1795. By the mid-18th century Pennsylvania was basically a middle-class colony with limited deference to the small upper-class. A writer in the ''
Pennsylvania Journal ''The Pennsylvania Journal'' was an American weekly newspaper published by William Bradford (American Revolutionary printer), William Bradford during the 18th century. The first edition of ''The Pennsylvania Journal'' appeared in December 1742. ...
'' in 1756 summed it up: :The People of this Province are generally of the middling Sort, and at present pretty much upon a Level. They are chiefly industrious Farmers, Artificers or Men in Trade; they enjoy in are fond of Freedom, and the ''meanest among them'' thinks he has a right to Civility from the greatest.


American Revolution and early government

Pennsylvania's residents generally supported the protests common to all 13 colonies after the Proclamation of 1763 and the Stamp Act were passed, and Pennsylvania sent delegates to the Stamp Act Congress in 1765 Philadelphia hosted the first and second Continental Congresses, the latter of which resulted in the adoption of the Declaration of Independence in Independence Hall in 1776. Pennsylvania was the site of several battles and military activities during the
American Revolution The American Revolution was an ideological and political revolution that occurred in British America between 1765 and 1791. The Americans in the Thirteen Colonies formed independent states that defeated the British in the American Revoluti ...
, including
George Washington's crossing of the Delaware River George Washington's crossing of the Delaware River occurred on the night of December 25–26, 1776, during the American Revolutionary War, was the first move in a surprise attack organized by George Washington against Hessian forces, whic ...
, the Battle of Brandywine, and the Battle of Germantown. During the Philadelphia campaign, the rebel army of George Washington spent the winter of 1777–78 at Valley Forge, Pennsylvania. In 1781, the Articles of Confederation were written and adopted in York, Pennsylvania, and Philadelphia continued to serve as the capital of the fledgling nation until the Pennsylvania Mutiny of 1783. Notable Pennsylvanians who supported the Revolution include
Benjamin Franklin Benjamin Franklin ( April 17, 1790) was an American polymath who was active as a writer, scientist, inventor, statesman, diplomat, printer, publisher, and political philosopher. Encyclopædia Britannica, Wood, 2021 Among the leading int ...
,
John Dickinson John Dickinson (November 13 Julian_calendar">/nowiki>Julian_calendar_November_2.html" ;"title="Julian_calendar.html" ;"title="/nowiki>Julian calendar">/nowiki>Julian calendar November 2">Julian_calendar.html" ;"title="/nowiki>Julian calendar" ...
, Robert Morris, Anthony Wayne, Samuel Van Leer, James Wilson, and Thomas Mifflin. However, Pennsylvania was also home to numerous Loyalists, including
Joseph Galloway Joseph Galloway (1731August 29, 1803) was an American attorney and a leading political figure in the events immediately preceding the founding of the United States in the late 1700s. As a staunch opponent of American independence, he would bec ...
, William Allen, and the
Doan Outlaws The Doan Outlaws, also known as the Doan Boys and Plumstead Cowboys, were a notorious gang of brothers from a Religious Society of Friends, Quaker family most renowned for being British Espionage, spies during the American Revolutionary War ...
. After elections in May 1776 returned old guard Assemblymen to office, the Second Continental Congress encouraged Pennsylvania to call delegates together to discuss a new form of governance. Delegates met in June in Philadelphia, where events (the signing of the Declaration of Independence) soon overtook assemblymen's efforts to control the delegates and the outcome of their discussions. On July 8 attendees elected delegates to write a state constitution. A committee was formed with
Benjamin Franklin Benjamin Franklin ( April 17, 1790) was an American polymath who was active as a writer, scientist, inventor, statesman, diplomat, printer, publisher, and political philosopher. Encyclopædia Britannica, Wood, 2021 Among the leading int ...
as chair and George Bryan and James Cannon as prominent members. The convention proclaimed a new constitution on September 28, 1776, and called for new elections. Elections in 1776 turned the old assemblymen out of power. But the new constitution lacked a governor or upper legislative house to provide checks against popular movements. It also required test oaths, which kept the opposition from taking office. The constitution called for a unicameral legislature or Assembly. Executive authority rested in a '' Supreme Executive Council'' whose members were to be appointed by the assembly. In elections during 1776, radicals gained control of the Assembly. By early 1777, they selected an executive council, and
Thomas Wharton Jr. Thomas Wharton Jr. (1735May 22, 1778) was a Pennsylvania merchant and politician of the Revolutionary era. He served as the first president of Pennsylvania (an office akin to governor) following the Declaration of Independence from Great Britai ...
was named as the president of the council. This constitution was never formally adopted, so government was on an ad hoc basis until a new constitution could be written fourteen years later. In 1780, Pennsylvania passed a law that provided for the gradual abolition of slavery, making Pennsylvania the first state to pass an act to abolish slavery (although
Vermont Vermont () is a U.S. state, state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York (state), New York to the west, and the Provin ...
had also previously abolished slavery). Children born after that date to slave mothers were considered legally free, but they were bound in indentured servitude to the master of their mother until the age of 28. The last slave was recorded in the state in 1847. Six years after the adoption of the Articles of Confederation, delegates from across the country met again at the
Philadelphia Convention The Constitutional Convention took place in Philadelphia from May 25 to September 17, 1787. Although the convention was intended to revise the league of states and first system of government under the Articles of Confederation, the intention f ...
to establish a new constitution. Pennsylvania ratified the U.S. Constitution on December 12, 1787, and was the second state to do so after
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
. The Constitution took effect after eleven states had ratified the document in 1788, and
George Washington George Washington (February 22, 1732, 1799) was an American military officer, statesman, and Founding Father who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of ...
was inaugurated as the first President of the United States on March 4, 1789. After the passage of the
Residence Act The Residence Act of 1790, officially titled An Act for establishing the temporary and permanent seat of the Government of the United States (), is a United States federal statute adopted during the second session of the First United States Co ...
, Philadelphia again served as the capital of the nation from 1790 to 1800, before the capital was permanently moved to Washington, D.C. Pennsylvania ratified a new state constitution in 1790; the constitution replaced the executive council with a
governor A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...
and a bicameral legislature.


Westward expansion and land speculation

Pennsylvania's borders took definitive shape in the decades before and after the Revolutionary War. The
Mason–Dixon line The Mason–Dixon line, also called the Mason and Dixon line or Mason's and Dixon's line, is a demarcation line separating four U.S. states, forming part of the borders of Pennsylvania, Maryland, Delaware, and West Virginia (part of Virginia ...
established the borders between Pennsylvania and
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...
, and was later extended to serve as the border between Pennsylvania and
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
(except for what is now West Virginia's northern panhandle). Although some settlers proposed the creation of the state of Westsylvania in the area that now contains
Pittsburgh Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...
, Pennsylvania retained control of the region. The first
Treaty of Fort Stanwix The Treaty of Fort Stanwix was a treaty signed between representatives from the Iroquois and Great Britain (accompanied by negotiators from New Jersey, Virginia and Pennsylvania) in 1768 at Fort Stanwix. It was negotiated between Sir William ...
and the Treaty of Fort McIntosh saw Native Americans relinquish claims on present-day southwestern Pennsylvania. The Treaty of Paris (1783) granted the United States independence, and also saw Great Britain give up its land claims in the neighboring Ohio Country, although most of these lands ultimately became new states under the terms of the Northwest Ordinance of 1787. In the second Treaty of Fort Stanwix, Pennsylvania gained control of northwestern Pennsylvania from the
Iroquois League The Iroquois ( or ), officially the Haudenosaunee ( meaning "people of the longhouse"), are an Iroquoian Peoples, Iroquoian-speaking Confederation#Indigenous confederations in North America, confederacy of First Nations in Canada, First Natio ...
. The New York–Pennsylvania border was established in 1787. Pennsylvania purchased the
Erie Triangle The Erie Triangle is a roughly 300-square-mile (780-square-kilometre) tract of American land that was the subject of several competing colonial-era claims. It was eventually acquired by the U.S. federal government and sold to Pennsylvania so tha ...
from the federal government in 1792. In 1799, the Pennamite–Yankee War came to an end, as Pennsylvania kept control of the Wyoming Valley despite the presence of settlers from
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the ...
. After the United States government granted land to Revolutionary War soldiers for military service, the Pennsylvania General Assembly passed a general land act on April 3, 1792. It authorized the sale and distribution of the large remaining tracts of land east and west of the Allegheny River in hopes of sparking development of the vast territory. The process was an uneven affair, prompting much speculation but little settlement. Most veteran soldiers sold their shares sight unseen under market value, and many investors were ultimately ruined. The East Allegheny district consisted of lands in Potter, McKean,
Cameron Cameron may refer to: People * Clan Cameron, a Scottish clan * Cameron (given name), a given name (including a list of people with the name) * Cameron (surname), a surname (including a list of people with the name) ;Mononym * Cam'ron (born 1 ...
, Elk, and Jefferson counties, at the time worthless tracts. West Allegheny district was made up of lands in Erie, Crawford, Warren, and Venango counties, relatively good investments at the time. Three major land companies participated in the land speculation that followed. Holland Land Company and its agent, Theophilus Cazenove, acquired of East Allegheny district land and of West Allegheny land from Pennsylvania Supreme Court Justice James Wilson. The Pennsylvania Population Company and its president, Pennsylvania State Comptroller General John Nicholson, controlled of land, mostly in Erie County and the Beaver Valley. The
North American Land Company North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' is ...
and its patron, Robert Morris, held some Pennsylvania lands but was vested mostly in upstate New York, former Iroquois territory. The Whiskey Rebellion, centered in Western Pennsylvania, was one of the first major challenges to the new federal government under the
United States Constitution The Constitution of the United States is the supreme law of the United States of America. It superseded the Articles of Confederation, the nation's first constitution, in 1789. Originally comprising seven articles, it delineates the natio ...
. From 1791 to 1794, farmers rebelled against an excise tax on distilled spirits, and prevented federal officials from collecting the tax. In 1794, President
George Washington George Washington (February 22, 1732, 1799) was an American military officer, statesman, and Founding Father who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of ...
led a 15,000-soldier militia force into Western Pennsylvania to put down the rebellion, and most rebels returned home before the huge militia force arrived.


Early 19th century

Pennsylvania, one of the largest states in the country, always had the second most electoral votes from 1796 to 1960. From 1789 to 1880, the state only voted for two losing presidential candidates:
Thomas Jefferson Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Fathers of the United States, Founding Father who served as the third president of the United States from 18 ...
(in
1796 Events January–March * January 16 – The first Dutch (and general) elections are held for the National Assembly of the Batavian Republic. (The next Dutch general elections are held in 1888.) * February 1 – The capital ...
) and
Andrew Jackson Andrew Jackson (March 15, 1767 – June 8, 1845) was an American lawyer, planter, general, and statesman who served as the seventh president of the United States from 1829 to 1837. Before being elected to the presidency, he gained fame as ...
(in the unusual 1824 election). The
Democratic-Republicans The Democratic-Republican Party, known at the time as the Republican Party and also referred to as the Jeffersonian Republican Party among other names, was an American political party founded by Thomas Jefferson and James Madison in the ear ...
dominated the state for most of the First Party System, as the Federalists experienced little success in the state after the 1800 election. Pennsylvania generally supported
Andrew Jackson Andrew Jackson (March 15, 1767 – June 8, 1845) was an American lawyer, planter, general, and statesman who served as the seventh president of the United States from 1829 to 1837. Before being elected to the presidency, he gained fame as ...
and the Democratic Party in the
Second Party System Historians and political scientists use Second Party System to periodize the political party system operating in the United States from about 1828 to 1852, after the First Party System ended. The system was characterized by rapidly rising levels ...
(1828–54), although the Whigs won several elections in the 1840s and 1850s. The Anti-Masonic Party was perhaps Pennsylvania's most successful third party, as it elected Pennsylvania's only third-party
governor A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...
( Joseph Ritner) and several congressmen in the 1830s. Several Pennsylvanians fought in the
War of 1812 The War of 1812 (18 June 1812 – 17 February 1815) was fought by the United States of America and its indigenous allies against the United Kingdom and its allies in British North America, with limited participation by Spain in Florida. It be ...
, including
Jacob Brown Jacob Jennings Brown (May 9, 1775 – February 24, 1828) was known for his victories as an American army officer in the War of 1812, where he reached the rank of general. His successes on the northern border during that war made him a nationa ...
, John Barry, and Stephen Decatur. Decatur, who served in both Barbary Wars and the Quasi-War, was one of America's first post-
Revolution In political science, a revolution (Latin: ''revolutio'', "a turn around") is a fundamental and relatively sudden change in political power and political organization which occurs when the population revolts against the government, typically due ...
war heroes. Commodore Oliver Hazard Perry earned the title "Hero of Lake Erie" after building a fleet at
Erie, Pennsylvania Erie (; ) is a city on the south shore of Lake Erie and the county seat of Erie County, Pennsylvania, United States. Erie is the fifth largest city in Pennsylvania and the largest city in Northwestern Pennsylvania with a population of 94,831 ...
and defeating the British at the Battle of Lake Erie. Pennsylvanians such as David Conner fought in the
Mexican–American War The Mexican–American War, also known in the United States as the Mexican War and in Mexico as the (''United States intervention in Mexico''), was an armed conflict between the United States and Mexico from 1846 to 1848. It followed the ...
, and Pennsylvania raised two regiments for the war. Pennsylvania Congressman
David Wilmot David Wilmot (January 20, 1814 – March 16, 1868) was an American politician and judge. He served as Representative and a Senator for Pennsylvania and as a judge of the Court of Claims. He is best known for being the prime sponsor and ep ...
earned national prominence for the Wilmot Proviso, which would have banned slavery in territory acquired from Mexico.
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
continued to be one of the most populous cities in the country, and it was the second largest city after New York City for most of the 19th century. In 1854, the Act of Consolidation consolidated the city and county of Philadelphia. The Academy of Natural Sciences of Philadelphia and the Franklin Institute were founded during this period. Philadelphia served as the home of the Bank of North America and its successors, the First and Second Bank of the United States, all three of which served as the central bank of the United States. Philadelphia was also home to the first stock exchange, museum, insurance company, and medical school in the new nation. Settlers continued to cross the
Allegheny Mountains The Allegheny Mountain Range (; also spelled Alleghany or Allegany), informally the Alleghenies, is part of the vast Appalachian Mountain Range of the Eastern United States and Canada and posed a significant barrier to land travel in less devel ...
. Pennsylvanians built many new roads, and the National Road cut through Southwestern Pennsylvania. Pennsylvania also saw the construction of thousands of miles of rail, and the Pennsylvania Railroad became one of the largest railroads in the world.
Pittsburgh Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...
grew into an important town West of the Alleghenies, although the
Great Fire of Pittsburgh The Great Fire of Pittsburgh occurred on April 10, 1845, destroying a third of the city and causing between $6 million and $12 million in damage. While having little effect on the culture of the city except to spur further growth, it would provide ...
devastated the town in the 1840s. In 1834, Pennsylvania completed construction on the Main Line of Public Works, a railroad and canal system that stretched across southern Pennsylvania, connecting
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
and
Pittsburgh Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...
. In 1812,
Harrisburg Harrisburg is the capital city of the Commonwealth of Pennsylvania, United States, and the county seat of Dauphin County. With a population of 50,135 as of the 2021 census, Harrisburg is the 9th largest city and 15th largest municipality in ...
was named the capital of the state, providing a more central location than Philadelphia. Pennsylvania had established itself as the largest food producer in the country by the 1720s, and Pennsylvania agriculture experienced a "golden age" from 1790 to 1840. In 1820, agriculture provided 90 percent of the employment in Pennsylvania. Farm equipment manufacturers sprang up across the state as inventors across the world pioneered new equipment and techniques, and Pennsylvanians such as Frederick Watts were a part of this scientific approach to farming. Pennsylvania farmers lost some of their political power as other industries emerged in the state, but even in the 2000s agriculture remains one of Pennsylvania's major industries. In 1834, Governor
George Wolf George Wolf (August 12, 1777March 11, 1840) was the seventh governor of Pennsylvania from 1829 to 1835. On June 29, 1888, he was recognized as the "father of the public-school system" in Pennsylvania by the erection of a memorial gateway at Ea ...
signed the Free Schools Act, which created a system of state-regulated school districts. The state created the Department of Education to oversee these schools. In 1857, the Normal School Act laid the foundation for the creation of normal schools to train teachers. Several Pennsylvania politicians gained national renown.
Frederick Muhlenberg Frederick Augustus Conrad Muhlenberg (; January 1, 1750 – June 4, 1801) was an American minister and politician who was the first Speaker of the United States House of Representatives and the first Dean of the United States House of Repres ...
of Pennsylvania served as the nation's first Speaker of the House of Representatives. Albert Gallatin served as the Secretary of the Treasury from 1801 to 1814. Democrat James Buchanan, the first and only President of the United States from Pennsylvania, took office in 1857 and served until 1861.


Civil War

Prior to and during the
Civil War A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government polici ...
, Pennsylvania was a divided state. Although Pennsylvania had outlawed slavery, many conservative Pennsylvanians believed that the federal government should not interfere with the institution of slavery. One such individual was Democrat James Buchanan, the last pre-Civil War president. Buchanan's party had generally won presidential and gubernatorial elections in Pennsylvania. However, the nascent Republican Party's first convention took place in Philadelphia, and the 1860 elections saw the
Republican Party Republican Party is a name used by many political parties around the world, though the term most commonly refers to the United States' Republican Party. Republican Party may also refer to: Africa * Republican Party (Liberia) *Republican Party ...
win the state's presidential vote and the governor's office. After the failure of the
Crittenden Compromise The Crittenden Compromise was an unsuccessful proposal to permanently enshrine slavery in the United States Constitution, and thereby make it unconstitutional for future congresses to end slavery. It was introduced by United States Senator J ...
, the secession of the South, and the Battle of Fort Sumter, the Civil War began with Pennsylvania as a key member of the Union. Despite the Republican victory in the 1860 election, Democrats remained powerful in the state, and several " copperheads" called for peace during the war. The Democrats re-took control of the state legislature in the 1862 election, but incumbent Republican Governor Andrew Curtin retained control of the governorship in 1863. In the 1864 election, President Lincoln narrowly defeated Pennsylvania native George B. McClellan for the state's electoral votes. Pennsylvania was the target of several raids by the
Confederate States Army The Confederate States Army, also called the Confederate Army or the Southern Army, was the military land force of the Confederate States of America (commonly referred to as the Confederacy) during the American Civil War (1861–1865), fighting ...
. J.E.B. Stuart made cavalry raids in 1862 and 1863;
John Imboden John Daniel Imboden (; February 16, 1823August 15, 1895), American lawyer, Virginia state legislator, and a Confederate army general. During the American Civil War, he commanded an irregular cavalry force. After the war, he resumed practicing ...
raided in 1863 and John McCausland in 1864, when his troopers burned the city of
Chambersburg Chambersburg is a borough in and the county seat of Franklin County, in the South Central region of Pennsylvania, United States. It is in the Cumberland Valley, which is part of the Great Appalachian Valley, and north of Maryland and the Ma ...
. However, easily the most famous and important military engagement in Pennsylvania was the
Battle of Gettysburg The Battle of Gettysburg () was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. In the battle, Union Major General George Meade's Army of the ...
, which is considered by many historians as the major turning point of the
American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States. It was fought between the Union (American Civil War), Union ("the North") and t ...
. The battle, called "the high water mark of the Confederacy", was a major union victory in the Eastern theater of the war, and the Confederacy was generally on the defensive following the battle. Dead from this battle rest at
Gettysburg National Cemetery Gettysburg National Cemetery is a United States national cemetery created for Union casualties from the Battle of Gettysburg in the American Civil War. The Battle of Gettysburg, which was fought between July 1 to 3, 1863, resulted in the larges ...
, established at the site of
Abraham Lincoln Abraham Lincoln ( ; February 12, 1809 – April 15, 1865) was an American lawyer, politician, and statesman who served as the 16th president of the United States from 1861 until his assassination in 1865. Lincoln led the nation throu ...
's '' Gettysburg Address''. A number of smaller engagements were also fought in the state during the Gettysburg Campaign, including the battles of
Hanover Hanover (; german: Hannover ; nds, Hannober) is the capital and largest city of the German state of Lower Saxony. Its 535,932 (2021) inhabitants make it the 13th-largest city in Germany as well as the fourth-largest city in Northern Germany ...
, Carlisle, Hunterstown, and the Fairfield. Pennsylvania's Thaddeus Stevens and William D. Kelley emerged as leading members of the Radical Republicans, a group of Republicans that advocated winning the war, abolishing slavery, and protecting the civil rights of African-Americans during
Reconstruction Reconstruction may refer to: Politics, history, and sociology * Reconstruction (law), the transfer of a company's (or several companies') business to a new company *''Perestroika'' (Russian for "reconstruction"), a late 20th century Soviet Unio ...
. Pennsylvania generals who served in the war include George G. Meade, Winfield Scott Hancock,
John Hartranft John Frederick Hartranft (December 16, 1830 – October 17, 1889) was the United States military officer who read the death warrant to the individuals who were executed on July 7, 1865 for conspiring to assassinate American President Abraham Lin ...
, and John F. Reynolds.
Governor A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...
Andrew Curtin strongly supported the war and urged his fellow governors to do the same, while former Pennsylvania Senator Simon Cameron served as Secretary of War before his removal.


Post-Civil War to the Roaring Twenties

Following the
Civil War A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government polici ...
, the Republican Party exercised strong control over politics in the state, as Republicans won almost every election during the Third Party System (1854–1894) and the Party System (1896–1930). Pennsylvania remained one of the most populous states in the Union, and the state's large number of electoral votes helped Republicans dominate presidential elections from 1860 to 1928. Only once during that period did Pennsylvania vote for a presidential candidate that was not a Republican (the lone exception was former Republican President Theodore Roosevelt in
1912 Events January * January 1 – The Republic of China is established. * January 5 – The Prague Conference (6th All-Russian Conference of the Russian Social Democratic Labour Party) opens. * January 6 ** German geophysicist Alfred ...
). The Republican Party was nearly as dominant in gubernatorial elections, as
Robert E. Pattison Robert Emory Pattison (December 8, 1850August 1, 1904) was an American attorney and politician serving as the 19th Governor of Pennsylvania from 1883 to 1887 and 1891 to 1895. Pattison was the only Democratic Governor of Pennsylvania between ...
was the lone non-Republican to win election as governor between 1860 and 1930. In the 1870s, Pennsylvanians embraced the constitutional reform movement that was sweeping across several states, and Pennsylvania passed a new constitution in 1874. The state created the office of lieutenant governor and made the offices of state auditor and
state treasurer In the state governments of the United States, 48 of the 50 states have the executive position of treasurer. New York abolished the position in 1926; duties were transferred to New York State Comptroller. Texas abolished the position of Texas ...
into elective offices. The term of the Governor of Pennsylvania was extended to four years, but the governor was prohibited from serving two consecutive terms. The
Pennsylvania Republican party The Pennsylvania Republican Party (PAGOP) is the affiliate of the Republican Party in the state of Pennsylvania. It is headquartered in Harrisburg. History Founding The party was founded on November 27, 1854, in Towanda ( Bradford County) b ...
was led by a series of bosses, including founder Simon Cameron, his son J. Donald Cameron,
Matthew Quay Matthew Stanley "Matt" Quay (September 30, 1833May 28, 1904) was an American politician of the Republican Party who represented Pennsylvania in the United States Senate from 1887 until 1899 and from 1901 until his death in 1904. Quay's control ...
, and
Boies Penrose Boies Penrose (November 1, 1860 – December 31, 1921) was an American lawyer and Republican politician from Philadelphia, Pennsylvania. After serving in both houses of the Pennsylvania legislature, he represented Pennsylvania in the Un ...
. Quay in particular was one of the dominant political figures of his era, as he served as chairman of the
Republican National Committee The Republican National Committee (RNC) is a U.S. political committee that assists the Republican Party of the United States. It is responsible for developing and promoting the Republican brand and political platform, as well as assisting in ...
and helped place Theodore Roosevelt on the 1900 Republican ticket. Following Penrose's death in the 1920s, no one boss dominated the state party, but Pennsylvania Republicans continued to be significantly more powerful than the Democrats until the 1950s. Although the party bosses dominated politics, the Republicans also had a reform movement that challenged the power of the bosses. Many Pennsylvanians supported the Progressive movement, including Philander C. Knox, Gifford Pinchot, and John Tener. Several new state agencies were established during this time, including the Department of Welfare and the Department of Labor and Industry. Pennsylvanians twice rejected an amendment to the state constitution that would have granted women the right to vote, but the state was one of the first to ratify the Nineteenth Amendment, which granted women the right to vote nationwide. The era after the Civil War, known as the
Gilded Age In United States history, the Gilded Age was an era extending roughly from 1877 to 1900, which was sandwiched between the Reconstruction era and the Progressive Era. It was a time of rapid economic growth, especially in the Northern and Wes ...
, saw the continued rise of industry in Pennsylvania. Pennsylvania was home to some of the largest steel companies in the world, as
Andrew Carnegie Andrew Carnegie (, ; November 25, 1835August 11, 1919) was a Scottish-American industrialist and philanthropist. Carnegie led the expansion of the American steel industry in the late 19th century and became one of the richest Americans in ...
founded the Carnegie Steel Company and
Charles M. Schwab Charles Michael Schwab (February 18, 1862 – September 18, 1939) was an American steel magnate. Under his leadership, Bethlehem Steel became the second-largest steel maker in the United States, and one of the most important heavy manufacturer ...
founded the
Bethlehem Steel The Bethlehem Steel Corporation was an American steelmaking company headquartered in Bethlehem, Pennsylvania. For most of the 20th century, it was one of the world's largest steel producing and shipbuilding companies. At the height of its succ ...
. Other titans of industry, such as John D. Rockefeller and Jay Gould, also operated in the state. In the latter half of the 19th century, the U.S.
oil industry The petroleum industry, also known as the oil industry or the oil patch, includes the global processes of exploration, extraction, refining, transportation (often by oil tankers and pipelines), and marketing of petroleum products. The larges ...
was born in western Pennsylvania, which supplied the vast majority of
kerosene Kerosene, paraffin, or lamp oil is a combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in aviation as well as households. Its name derives from el, κηρός (''keros'') meaning " wax", and was re ...
for years thereafter. As the
Pennsylvanian oil rush The oil rush in America started in Titusville, Pennsylvania, in the Oil Creek Valley when Edwin L. Drake struck "rock oil" there in 1859. Titusville and other towns on the shores of Oil Creek expanded rapidly as oil wells and refineries shot u ...
developed, the oil boom towns, such as Titusville, rose and fell. Coal mining was also a major industry in the state. In 1903,
Milton S. Hershey Milton Snavely Hershey (September 13, 1857 – October 13, 1945) was an American chocolatier, businessman, and philanthropist. Trained in the confectionery business, Hershey pioneered the manufacture of caramel, using fresh milk. He launched t ...
began construction on a chocolate factory in Hershey, Pennsylvania; The Hershey Company would become the largest chocolate manufacturer in North America. The Heinz Company was also founded during this period. These huge companies exercised a large influence on the politics of Pennsylvania; as Henry Demarest Lloyd put it, oil baron John D. Rockefeller "had done everything with the Pennsylvania legislature except refine it". Pennsylvania created a Department of Highways and engaged in a vast program of road-building, while railroads continued to see heavy usage. The growth of industry eventually provided middle-class incomes to working-class households, after the development of labor unions helped them gain living wages. However, the rise of unions led to a rise of union busting, with several private police forces springing up. Pennsylvania was the location of the first documented organized strike in North America, and Pennsylvania experienced the Great Railroad Strike of 1877 and the Coal Strike of 1902. Eventually, the eight-hour day was adopted, and the "coal and iron police" were banned. During this period, the United States was the destination of millions of immigrants. Previous immigration had mostly come from western and northern Europe, but during this period Pennsylvania experienced heavy immigration from
southern Southern may refer to: Businesses * China Southern Airlines, airline based in Guangzhou, China * Southern Airways, defunct US airline * Southern Air, air cargo transportation company based in Norwalk, Connecticut, US * Southern Airways Express, M ...
and eastern Europe. As many new immigrants were
Catholic The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
and Jewish, they changed the demographics of major cities and industrial areas. Pennsylvania and New York received many of the new immigrants, who entered through New York and Philadelphia and worked in the developing industries. Many of these poor immigrants took jobs in factories, steel mills, and coal mines throughout the state, where they were not restricted because of their lack of English. The availability of jobs and public education systems helped integrate the millions of immigrants and their families, who also retained ethnic cultures. Pennsylvania also experienced the Great Migration, in which millions of African Americans migrated from the southern United States to other locations in the United States. By 1940, African Americans made up almost five percent of the state's population. Even before the Civil War, Pennsylvania had emerged as a center of scientific discovery, and the state, led by its two major urban centers, continued to be a major place of innovation. The state continued to innovate, as Pennsylvanians invented the first iron and steel t-rails, iron bridges, air brakes, switching signals, and drawn metal wires. Pennsylvanians also contributed to advances in aluminum production, radio, television, airplanes, and farm machinery. During this period,
Pittsburgh Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...
emerged as an important center of industry and technological innovation, and
George Westinghouse George Westinghouse Jr. (October 6, 1846 – March 12, 1914) was an American entrepreneur and engineer based in Pennsylvania who created the railway air brake and was a pioneer of the electrical industry, receiving his first patent at the age ...
became one of the preeminent inventors of the United States. Philadelphia became one of the leading medical science centers in the nation, although it no longer rivaled New York City as a financial capital. Frederick Winslow Taylor pioneered the field of scientific management, becoming America's first "efficiency engineer". In 1890, Chicago had passed Philadelphia as the second most populous city in the United States, while Pittsburgh rose to the eighth spot after annexing Allegheny. Education continued to be a major issue in the state, and the state constitution of 1874 guaranteed an annual appropriation for education. School attendance became compulsory in 1895, and by 1903, school districts were required to either have their own high schools or pay for their residents to attend another high school. Two of Pennsylvania's largest public schools were founded in the mid-to-late 19th century. The Pennsylvania State University was founded in 1855, and in 1863 the school became Pennsylvania's land-grant university under the terms of the Morrill Land-Grant Acts. Temple University in Philadelphia was founded in 1884 by
Russell Conwell Russell Herman Conwell (February 15, 1843 – December 6, 1925) was an American Baptist Minister (Christianity), minister, orator, philanthropist, author, lawyer, and writer. He is best remembered as the founder and first president of Temple U ...
, originally as a night school for working-class citizens. Other schools, such as
Bucknell University Bucknell University is a private liberal arts college in Lewisburg, Pennsylvania. Founded in 1846 as the University at Lewisburg, it now consists of the College of Arts and Sciences, Freeman College of Management, and the College of Engineerin ...
, Carnegie Mellon University, Drexel University, Duquesne University, La Salle University, Lafayette College, Lehigh University, Saint Francis University, Saint Joseph's University, and
Villanova University Villanova University is a private Roman Catholic research university in Villanova, Pennsylvania. It was founded by the Augustinians in 1842 and named after Saint Thomas of Villanova. The university is the oldest Catholic university in Pennsy ...
were also founded in the 19th and early 20th centuries. The Western University of Pennsylvania had been operating since 1787, but the school changed its name to the University of Pittsburgh in 1908. Additionally, the
Carlisle Indian Industrial School The United States Indian Industrial School in Carlisle, Pennsylvania, generally known as Carlisle Indian Industrial School, was the flagship Indian boarding school in the United States from 1879 through 1918. It took over the historic Carlisle ...
was founded in 1879 as the flagship American Indian boarding school. Thousands of Pennsylvanians volunteered during the
Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (clock ...
, and many Pennsylvanians fought in the successful campaign against the Spanish in the Philippine Islands. Pennsylvania was an important industrial center in
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
, and the state provided over 300,000 soldiers for the army. Pennsylvanians
Tasker H. Bliss Tasker Howard Bliss (December 31, 1853 – November 9, 1930) was a United States Army officer who served as Chief of Staff of the United States Army from September 22, 1917 until May 18, 1918. He was also a diplomat involved in the peace negotiati ...
,
Peyton C. March General Peyton Conway March (December 27, 1864April 13, 1955) was a senior officer of the United States Army. He served in the Philippines, on the Mexican border, and World War I. March was the ninth Chief of Staff from 1918 to 1921, accomplis ...
, and
William S. Sims William Sowden Sims (October 15, 1858 – September 28, 1936) was an admiral in the United States Navy who fought during the late 19th and early 20th centuries to modernize the navy. During World War I, he commanded all United States naval force ...
all held important commands during the war. Following the war, the state suffered the effects of the
Spanish flu The 1918–1920 influenza pandemic, commonly known by the misnomer Spanish flu or as the Great Influenza epidemic, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus. The earliest documented case wa ...
.


The Great Depression and World War II

As with much of the rest of the country, Democrats were much more successful in Pennsylvania during the Fifth Party System than they were in the previous two party systems. The
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
finally broke the lock on Republican power in the state, as Democrat Franklin Roosevelt won Pennsylvania's electoral votes in all three of his re-election campaigns. Roosevelt was the first Democrat to win the state's electoral votes since James Buchanan in 1856. In 1934, Pennsylvania elected
Joseph F. Guffey Joseph Finch "Joe" Guffey (December 29, 1870March 6, 1959) was an American business executive and Democratic Party politician from Pittsburgh, Pennsylvania. Elected from Pennsylvania to the United States Senate, he served two terms, from 1935 u ...
to the Senate and George Earle III as governor; both individuals were the first Democrats elected to either office in the 20th century. Earle, with the help of a Democratic legislature, passed the "Little New Deal" in Pennsylvania, which included several reforms based on the New Deal and relaxed Pennsylvania's strict Blue laws. However, Republicans regained power in the state in the 1938 elections, and Democrats would not win another gubernatorial election until
George M. Leader George Michael Leader (January 17, 1918 – May 9, 2013) was an American politician. He served as the 36th governor of Pennsylvania from January 18, 1955, until January 20, 1959. He was a member of the Democratic Party, and a native of York Count ...
's successful candidacy in 1954. Earle signed the Pennsylvania State Authority Act in 1936, which would purchase land from the state and add improvements to that land using state loans and grants. The state expected to receive federal grants and loans to fund the project under the administration of President Franklin D. Roosevelt and his New Deal. The Pennsylvania Supreme Court, in ''Kelly v Earle'', found the Act violated the state constitution. This prevented the state from receiving federal funds for
Works Progress Administration The Works Progress Administration (WPA; renamed in 1939 as the Work Projects Administration) was an American New Deal agency that employed millions of jobseekers (mostly men who were not formally educated) to carry out public works projects, i ...
projects and making it difficult to lower the extremely high unemployment rate. Pennsylvania, with its large industrial labor force, suffered heavily during the Great Depression. Pennsylvania manufactured 6.6 percent of total United States military armaments produced during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
, ranking sixth among the 48 states. The Philadelphia Naval Yard served as an important naval base, and Pennsylvania produced important military leaders such as George C. Marshall,
Hap Arnold Henry Harley Arnold (June 25, 1886 – January 15, 1950) was an American general officer holding the ranks of General of the Army and later, General of the Air Force. Arnold was an aviation pioneer, Chief of the Air Corps (1938–1941), ...
,
Jacob Devers Jacob Loucks Devers (; 8 September 1887 – 15 October 1979) was a general in the United States Army who commanded the 6th Army Group in the European Theater during World War II. He was involved in the development and adoption of numerous ...
, and Carl Spaatz. During the war, over one million Pennsylvanians served in the armed forces, and more Medals of Honor were awarded to Pennsylvanians than to individuals from any other state.


1945 to present

The Republican lock on Pennsylvania was permanently broken in the era after World War II, and Pennsylvania became a somewhat less powerful state in terms of electoral votes and number of House seats. Pennsylvania adopted its fifth and current constitution in 1968; the new constitution established a unified judicial system and allows governors and the other statewide elected officials to serve two consecutive terms. Between 1954 and 2012, each party consistently won two straight gubernatorial elections before ceding control to the other party. In
presidential elections A presidential election is the election of any head of state whose official title is President. Elections by country Albania The president of Albania is elected by the Assembly of Albania who are elected by the Albanian public. Chile The pre ...
, the Republican Party won Pennsylvania in seven of the eleven elections between 1948 and 1988, but Democrats have won the state in every presidential election from 1992 to 2012. When Democratic presidential nominee
Hubert Humphrey Hubert Horatio Humphrey Jr. (May 27, 1911 – January 13, 1978) was an American pharmacist and politician who served as the 38th vice president of the United States from 1965 to 1969. He twice served in the United States Senate, representing ...
won Pennsylvania's electoral votes in
1968 The year was highlighted by protests and other unrests that occurred worldwide. Events January–February * January 5 – " Prague Spring": Alexander Dubček is chosen as leader of the Communist Party of Czechoslovakia. * J ...
, he became the first non-Republican since 1824 to win Pennsylvania's votes without winning the presidential election. After having the second most electoral votes since the 18th century, Pennsylvania was eclipsed in electoral votes by California in 1964.
Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...
and Florida also now have more electoral votes, while New York also has more electoral votes and
Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Rock ...
has the same number of electoral votes (and a slightly larger
population Population typically refers to the number of people in a single area, whether it be a city or town, region, country, continent, or the world. Governments typically quantify the size of the resident population within their jurisdiction usi ...
). , Pennsylvania is generally considered to be an important swing state in both presidential and congressional elections, and Pennsylvania has a
Cook PVI The Cook Partisan Voting Index, abbreviated Cook PVI, CPVI, or PVI, is a measurement of how strongly a United States congressional district or U.S. state leans toward the Democratic or Republican Party, compared to the nation as a whole, based ...
of D+1. Since the 1990s, Republicans have usually controlled both houses of the legislature, while candidates from both parties have been elected to the statewide offices of
governor A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...
, lieutenant governor, attorney general, treasurer, and auditor general. Democrats generally win the cities and Republicans win the rural areas, with the suburbs voting for both parties and often acting as the key swing areas. The state was hard-hit by the decline and restructuring of the steel industry and other heavy industries during the late 20th century. With job losses came heavy population losses, especially in Philadelphia and Pittsburgh. With the end of mining and the downturn of manufacturing, the state has turned to service industries. Pittsburgh's concentration of universities has enabled it to be a leader in technology and healthcare. Similarly, Philadelphia has a concentration of university expertise. Healthcare, retail, transportation, and tourism are some of the state's growing industries of the postindustrial era. As in the rest of the nation, most residential population growth has occurred in suburban rather than central city areas, although both major cities have had significant revitalization in their downtown areas. Pittsburgh lost its place among the top ten most populous cities in the United States after the 1940s, while Philadelphia is now the fifth largest city after New York, Los Angeles, Chicago, and Houston. Philadelphia anchors the sixth-largest
metropolitan area A metropolitan area or metro is a region that consists of a densely populated urban agglomeration and its surrounding territories sharing industries, commercial areas, transport network, infrastructures and housing. A metro area usually ...
in the country, while Pittsburgh is the center of the twenty-second largest metro area in the country. The growth of the Lehigh Valley has made it one of the seventy most populous metro areas in the country, while Pennsylvania also has six other metro areas among the top 200 most populous American metro areas. Philadelphia forms part of the Northeast megalopolis and is associated with the Northeastern United States, while Pittsburgh is part of the Great Lakes Megalopolis and is often associated with the
Midwestern United States The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of the United States. I ...
and the Rust Belt. After 1990, as information-based industries became more important in the economy, state and local governments put more resources into the old, well-established public library system. Some localities, however, used new state funding to cut local taxes. New ethnic groups, especially Hispanics, began entering the state to fill low skill jobs in agriculture, and service industries. For example, in Chester County, Mexican migrants brought their Spanish language, Catholic religion, high birth rates and cuisine when they were hired to as agricultural laborers; in some rural localities they made up half the population. Meanwhile Puerto Ricans built a large community in the state's third largest city, Allentown. They comprised over 40% of the population by 2000. On September 11, 2001, during the terrorist attacks on the United States, the small town of Shanksville, Pennsylvania received worldwide attention after United Airlines Flight 93 crashed into a field in Stonycreek Township, north of the town, killing all 40 civilians and four al-Qaeda hijackers on board. The hijackers had intended to fly the plane to Washington, D.C. and crash it into either the Capitol or the White House. However, after learning from family members via airphone of the earlier attacks on the World Trade Center, the passengers on board revolted against the hijackers and fought for control of the plane, causing it to crash. It was the only one of the four aircraft hijacked that day that never reached its intended target and the heroism of the passengers has been commemorated.


See also

*
History of the Mid-Atlantic States History (derived ) is the systematic study and the documentation of the human activity. The time period of event before the History of writing#Inventions of writing, invention of writing systems is considered prehistory. "History" is an umbr ...
*
History of the Northeastern United States The Northeastern United States, also referred to as the Northeast, the East Coast, or the American Northeast, is a geographic region of the United States. It is located on the Atlantic coast of North America, with Canada to its north, the Sout ...
* History of Erie, Pennsylvania *
History of Harrisburg, Pennsylvania The history of Harrisburg, the state capital of the Commonwealth of Pennsylvania, United States, has played a key role in the development of the nation's industrial history from its origins as a trading outpost to the present. Harrisburg has pl ...
* History of the Townships of Lycoming County, Pennsylvania * History of Pittsburgh * Timeline of Pittsburgh * History of Philadelphia * Timeline of Philadelphia * Pennsylvania Historical and Museum Commission *
Jewish history in Pennsylvania The history of the Jews in Pennsylvania (although not counting Crypto Jews or their descendants whom are also excluded from being counted as Jews) dates back to Colonial America. First mention Pennsylvania, one of the original thirteen state ...
* History of slavery in Pennsylvania * History of Veterinary Medicine in Pennsylvania * History of West Chester, Pennsylvania * History of Williamsport, Pennsylvania * Pennsylvania Woman's Convention at West Chester in 1852 * Women's suffrage in Pennsylvania * List of historical Pennsylvania women * List of Pennsylvania suffragists * List of newspapers in Pennsylvania in the 18th-century * Timeline of Pennsylvania


References


Further reading


Surveys

* Miller, Randall M. and William A. Pencak, eds. ''Pennsylvania: A History of the Commonwealth'' (2002) detailed scholarly history * Beers, Paul B. ''Pennsylvania Politics Today and Yesterday'' (1980)* * Klein, Philip S and Ari Hoogenboom. ''A History of Pennsylvania'' (1973). * Weigley, Russell. ''Philadelphia: A 300-Year History'' (1982)


Pre 1900

* Alexander, John K. ''Render them Submissive: Responses to Poverty in Philadelphia, 1760–1800'' (1980) * Baldwin, Leland D. ''Pittsburgh: the Story of a City, 1750–1865'' (1937). * Barr, Daniel P. ''A Colony Sprung from Hell: Pittsburgh and the Struggle for Authority on the Western Pennsylvania Frontier, 1744–1794'' (Kent State University Press, 2014); 334 pp. * Buck, Solon J., Clarence McWilliams and Elizabeth Hawthorn Buck. ''The Planting of Civilization in Western Pennsylvania'' (1939), social history * Dunaway, Wayland F. ''The Scotch-Irish of Colonial Pennsylvania'' (1944) * Gallman, J. Matthew. ''Mastering Wartime: A Social History of Philadelphia during the Civil War'' (U of Pennsylvania Press, 2000). * Higginbotham, Sanford W. ''The Keystone in the Democratic Arch: Pennsylvania Politics, 1800–1816'' (1952) * Illick Joseph E. ''Colonial Pennsylvania: A History'' (1976) * Ireland, Owen S. ''Religion, Ethnicity, and Politics: Ratifying the Constitution in Pennsylvania'' (1995) * Kehl, James A. ''Boss Rule in the Gilded Age: Matt Quay of Pennsylvania'' * Klees, Fredric. ''The Pennsylvania Dutch'' (1950) * Klein, Philip Shriver. ''Pennsylvania Politics, 1817–1832: A Game without Rules'' (1940) * McCullough, David. '' The Johnstown Flood'' (1968) * Mueller, Henry R. ''The Whig Party in Pennsylvania'' (1922) * Nash, Gary B. ''Forging freedom: The formation of Philadelphia's black community, 1720–1840'' (Harvard University Press, 1988). * Shade, William G. "'Corrupt and Contented': Where Have All the Politicians Gone? A Survey of Recent Books on Pennsylvania Political History, 1787–1877." ''Pennsylvania Magazine of History and Biography'' (2008): 433–451. in JSTOR; historiography * Smith, Billy Gordon. ''The "Lower Sort": Philadelphia's Laboring People, 1750–1800'' (Cornell University Press, 1994). * Snyder, Charles McCool. ''The Jacksonian Heritage: Pennsylvania Politics, 1833–1848'' (1958) * Tinkcom, Harry Marlin. ''The Republicans and Federalists in Pennsylvania, 1790–1801: A Study in National Stimulus and Local Response'' (1950) * Warner, Sam Bass. ''The Private City: Philadelphia in Three Periods of its Growth'' (1968) * Wood, Ralph. et al. ''The Pennsylvania Germans'' (1942) * Wulf, Karin. ''Not All Wives: Women of Colonial Philadelphia''. Cornell University Press, 2000


Since 1900

* Bodnar, John; ''Immigration and Industrialization: Ethnicity in an American Mill Town, 1870–1940'', (1977), on Steelton * Heineman; Kenneth J. ''A Catholic New Deal: Religion and Reform in Depression Pittsburgh'', (1999) *Keller, Richard C., "Pennsylvania's Little New Deal", in John Braeman et al. eds. ''The New Deal: Volume Two – the State and Local Levels'' (1975) pp. 45–76 * Lamis, Renée M. ''The Realignment of Pennsylvania Politics since 1960: Two-Party Competition in a Battleground State'' (Pennsylvania State University Press, 2009) 398 pp. * Lubove, Roy. Twentieth-century Pittsburgh: The post-steel era. Vol. 2. University of Pittsburgh Pre, 1995. * McGeary, M. Nelson. ''Gifford Pinchot: Forester-Politician'' (1960) Republican governor 1923–1927 and 1931–1935 * Sandoval, Edgar. ''The New Face of Small-town America: Snapshots of Latino Life in Allentown, Pennsylvania'' (Penn State Press, 2010). * Warner, Sam Bass. ''The Private City: Philadelphia in Three Periods of its Growth'' (1968)


Economic and labor history

* Aurand, Harold W. ''Coalcracker Culture: Work and Values in Pennsylvania Anthracite, 1835–1935'' 2003 * Blatz, Perry. ''Democratic Miners: Work and Labor Relations in the Anthracite Coal Industry, 1875–1925''. Albany: SUNY Press, 1994. * Binder, Frederick Moore. ''Coal Age Empire: Pennsylvania Coal and Its Utilization to 1860''. Harrisburg: Pennsylvania Historical and Museum Commission, 1974. * Chandler, Alfred. "Anthracite Coal and the Beginnings of the 'Industrial Revolution' in the United States", ''Business History Review'' 46 (1972): 141–181
in JSTOR
* * Davies, Edward J., II. ''The Anthracite Aristocracy: Leadership and Social Change in the Hard Coal Regions of Northeastern Pennsylvania, 1800–1930'' (1985). * DiCiccio, Carmen. ''Coal and Coke in Pennsylvania''. Harrisburg: Pennsylvania Historical and Museum Commission, 1996 * Dublin, Thomas, and Walter Licht, ''The Face of Decline: The Pennsylvania Anthracite Region in the Twentieth Century'' Cornell University Press, (2005). . * Lauver, Fred J. "A Walk Through the Rise and Fall of Anthracite Might", ''Pennsylvania Heritage Magazine'' 27#1 (2001
online edition
* Lewis, Ronald L. ''Welsh Americans: A History of Assimilation in the Coalfields'' (U. of North Carolina Press, 2008
online
* Powell, H. Benjamin. ''Philadelphia's First Fuel Crisis. Jacob Cist and the Developing Market for Pennsylvania Anthracite''. The Pennsylvania State University Press, 1978 * Sullivan, William A. ''The Industrial Worker in Pennsylvania, 1800–1840'' Pennsylvania Historical and Museum Commission, 195
online edition
* United States Anthracite Coal Strike Commission, 1902–1903, ''Report to the President on the Anthracite Coal Strike of May–October 1902 By United States Anthracite Coal Strike'' (1903
online edition
* Wallace, Anthony F.C. ''St. Clair. A Nineteenth-Century Coal Town's Experience with a Disaster-Prone Industry''. (1981) * Warren, Kenneth. ''Triumphant Capitalism: Henry Clay Frick and the Industrial Transformation of America'' (1996) * Warren, Kenneth. ''Big Steel: The First Century of the United States Steel Corporation, 1901–2001'' (2002) * Williamson, Harold F. and Arnold R. Daum. ''The American Petroleum Industry: The Age of Illumination, 1859–1899'' (1959)


Historiography

* Bauman, John F. "An urban look at Pennsylvania history" ''Pennsylvania History'' (2008) 75#3 pp 390–395
online


Primary sources


The Peoples Contest: A Civil War era digital archiving project
access to primary sources from Pennsylvania, especially newspapers and other resources * ''Report of the United states coal commission...''. (5 vol in 3; 1925) Official US government investigation of the 1922 anthracite strike
online vol 1–2
* Carocci, Vincent P. ''A Capitol Journey: Reflections on the Press, Politics, and the Making Of Public Policy In Pennsylvania''. (2005) memoir by senior aide to Gov Casey in 1990

* Casey, Robert P. ''Fighting for Life: The Story of a Courageous Pro-Life Democrat Whose Own Brush with Death Made Medical History''. Dallas, Texas: Word Publishing (1996). Autobiography. Hardcover: , . *
W. E. B. Du Bois William Edward Burghardt Du Bois ( ; February 23, 1868 – August 27, 1963) was an American-Ghanaian sociologist, socialist, historian, and Pan-Africanist civil rights activist. Born in Great Barrington, Massachusetts, Du Bois grew up i ...
; '' The Philadelphia Negro: A Social Study'' (1899
online edition
* Myers, Albert Cook, ed., ''Narratives of Early Pennsylvania, West New Jersey and Delaware, 1630–1707'', (1912
online edition
* Pinsker, Matthew. "The Pennsylvania Prince: Political Wisdom From Benjamin Franklin to Arlen Specter" ''Pennsylvania Magazine of History & Biography'' (2008) 132#4 pp 417–432; examines autobiographies
online
* Specter, Arlen and Charles Robbins. ''Passion for Truth: From Finding JFK's Single Bullet to Questioning Anita Hill to Impeaching Clinton'' (2000).


External links


ExplorePAHistory.com



View the Pennsylvania State Archives Online

Pennsylvania Historical and Museum Commission Publications

1776 Constitution text

Pennsylvania Indian Tribes
Listing of Indian tribes with a historical presence in Pennsylvania * Boston Public Library, Map Center
Maps of Pennsylvania
various dates.
Ohio Historical Sites
{{DEFAULTSORT:History Of Pennsylvania
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...