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The coat of arms of Pennsylvania

Pennsylvania, officially the Commonwealth of Pennsylvania, is a state located in the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Maryland to its south, forming the Mason-Dixon Line, West Virginia to its southwest, Ohio to its west, the Canadian province of Ontario to its northwest via Lake Erie, New York to its north, and the Delaware River and New Jersey to its east. Pennsylvania's most populous city is Philadelphia, and the state capital is Harrisburg. Pennsylvania is the fifth-most populous state in the country, with over 13 million residents as of the 2020 United States census. Pennsylvania has the ninth-highest by population density, and is the 33rd-largest by land area. The largest metropolitan statistical area is the Philadelphia metropolitan area, centered on Philadelphia, the sixth-most populous U.S. city. Pennsylvania's second-largest metropolitan area, Greater Pittsburgh, is centered in and around Pittsburgh, the commonwealth's second-largest city.

Pennsylvania was founded in 1681 through a royal land grant to William Penn, the son of the commonwealth's namesake. Before that, between 1638 and 1655, a southeast portion of the state was part of New Sweden, a Swedish colony. Established as a haven for religious and political tolerance, the British colonial-era Province of Pennsylvania was known for its relatively peaceful relations with native tribes, innovative government system, and religious pluralism. Pennsylvania played a vital and historic role in the American Revolution and the ultimately successful quest for independence from the British Empire, hosting the First and Second Continental Congress in Philadelphia, the latter of which formed the Continental Army commanded by George Washington in 1775, during the American Revolutionary War, unanimously adopted the Declaration of Independence the following year. On December 12, 1787, Pennsylvania was the second state to ratify the U.S. Constitution after Delaware.

The Battle of Gettysburg, fought in July 1863 around Gettysburg, was the bloodiest battle of the American Civil War with over 51,000 Union and Confederate casualties, and resulted in a repulsion of the Confederacy's invasion of the North. Throughout the late 19th and 20th centuries, the state's steel production and manufacturing-based economy contributed to the development of much of the nation's early infrastructure, including key bridges, skyscrapers, and military hardware used in U.S.-led victories in World War I, World War II, and the Cold War. In the 21st century, Pennsylvania has garnered the nickname "Cellicon State" for the central role of Philadelphia and Pittsburgh in the development of immunotherapies to treat different cancers. (Full article...)

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Tropical Storm Henri near peak intensity on September 5

Tropical Storm Henri was a moderate tropical storm that struck Florida during the 2003 Atlantic hurricane season. The eighth storm of the season, Henri was one of six tropical cyclones to hit the United States in the year. Henri formed from a tropical wave in the Gulf of Mexico on September 3. Moving generally to the east, it strengthened to reach peak winds of 60 mph (97 km/h) two days later. Henri encountered unfavorable conditions, and it weakened before making landfall on western Florida near Clearwater as a tropical depression. Crossing Florida, Henri degenerated into a remnant low on September 8, but the weather system persisted off the east coast of the United States for a few days before moving back ashore over North Carolina. The system brought heavy rainfall across parts of the Mid-Atlantic before dissipating on September 17.

Henri caused little damage as a tropical cyclone. In Florida, it dropped heavy rainfall, though damage was limited to minor flooding damage. In Delaware and Pennsylvania, damage was greater, where heavy rainfall damaged hundreds of houses and businesses. The resulting floods in Delaware were described by some people as a 1 in 500 year event. The total damage by Henri along its path amounted to $19.6 million (2003 USD), but no deaths were reported. (Full article...)

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Phineas Pemberton House
Entrance sign to Dogwood Hollow development, erected May 2018.

Levittown is a census-designated place (CDP) and planned community in Bucks County, Pennsylvania, United States. The community includes portions of the municipalities of Bristol Township, Falls Township, Middletown Township and Tullytown Borough, but is not itself an independent municipality. Levittown is part of the Philadelphia metropolitan area with a population was 52,699 at the 2020 census, which is down from 52,983 at the 2010 census.

Levittown is 40 feet (12 m) above sea level. While not an independent municipality, it is sometimes recognized as the largest suburb of Philadelphia while Upper Darby, Lower Merion, Bensalem, Abington, and Bristol townships are municipalities larger in size within the three surrounding Pennsylvania counties. Starting with land purchased in 1951, it was planned and built by Levitt & Sons. The brothers William Levitt and architect Alfred Levitt designed its six typical houses. (Full article...)

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Credit: Phillyfan0419
Citizens Bank Park is a 43,647-seat baseball-only stadium and home to the Philadelphia Phillies.

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Waterford Covered Bridge

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Duncan & Miller Glass Company was a well-known glass manufacturing company in Washington, Pennsylvania. Items that were produced by the company are known as "Duncan glass" or "Duncan Miller glass." The company was founded in 1865 by George Duncan with his two sons and son-in-law in the South Side neighborhood of Pittsburgh, Pennsylvania. By 1890, the company joined other glass companies to form the United States Glass Company, a powerful glass trust. In 1892, the factory was destroyed in a fire, and the company was relieved of its trust relationship with the US Glass Company. After the fire, the second generation of the Duncan family moved operations to Washington, Pennsylvania. In 1900, John Ernest Miller, the company's long-time designer, became a full shareholder along with members of the Duncan family. By 1955, economic pressures from machine-produced glass forced the company to sell off its assets to the US Glass Company, who continued to produce Duncan-style glass until 1980. (Full article...)

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Cosby in 2011

William Henry Cosby Jr. ( KOZ-bee; born July 12, 1937) is an American former comedian, actor, and media personality. Often deemed a trailblazer for African Americans in the entertainment industry, Cosby was well known in the United States for his stand-up comedy routines and television career before achieving global recognition for his portrayal of Cliff Huxtable in the sitcom The Cosby Show (1984–1992). He was also prolific in advertising for decades and was the recipient of numerous awards and honorary degrees throughout his career, many of which were revoked after dozens of allegations of sexual assault were made against him, starting in 2014 and culminating in a 2018 conviction for aggravated indecent assault.

Cosby began his career as a stand-up comic at the Hungry I nightclub in San Francisco in 1961, and primarily performed observational comedy in a conversational style. He released LP records of numerous standup specials starting with Bill Cosby Is a Very Funny Fellow...Right! (1963) and starred in the comedy film Bill Cosby: Himself (1983). Cosby still holds the record for winning the most Grammy Awards for Best Comedy Album, with seven wins. His acting career began with a starring role in the NBC secret-agent show I Spy (1965–1968), which broke new ground for African Americans when he made history by winning three Primetime Emmy Awards for Best Actor in a Drama Series, becoming the first black actor to do so. (Full article...)

Pennsylvania news

April 23, 2026 – 2026 NFL draft
In American football, the 91st edition of the NFL draft is held in Pittsburgh, Pennsylvania, with the Las Vegas Raiders selecting former Indiana Hoosiers quarterback Fernando Mendoza with the first overall pick. (ESPN)
April 19, 2026 –
Seven people are killed, including six children, in a propane tank explosion and fire at a house in Lamar Township, Pennsylvania, United States. (WNEP-TV)

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State facts

State Facts
Pennsylvania's largest city Philadelphia
  • Nickname: The Keystone State
  • Capital: Harrisburg
  • Largest city: Philadelphia
  • Total area: 119,283 square kilometers (46,055 square miles)
  • Population (2000 census): 12,281,054
  • Date admitted to the Union: December 12, 1787 (2nd)
State symbols
Mountain laurel, Pennsylvania's state flower

Pennsylvania topics

General images

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