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The Pennsylvania Portal

The coat of arms of Pennsylvania

Pennsylvania (/ˌpɛnsɪlˈveɪniə/ PEN-sil-VAY-nee-ə; Pennsylvania German: Pennsilfaani), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. Pennsylvania borders Delaware to its southeast, Maryland to its south, West Virginia to its southwest, Ohio to its west, Lake Erie and the Canadian province of Ontario to its northwest, New York to its north, and the Delaware River and New Jersey to its east.

Pennsylvania is the fifth-most populous state in the United States, with over 13 million residents as of the 2020 United States census. The state is the 33rd-largest by area and has the ninth-highest population density among all states. The largest metropolitan statistical area (MSA) is the southeastern Delaware Valley, which includes and surrounds Philadelphia, the state's largest and nation's sixth-most populous city. The second-largest metropolitan area, Greater Pittsburgh, is centered in and around Pittsburgh, the state's second-largest city. The state's subsequent five most populous cities are Allentown, Reading, Erie, Scranton, and Bethlehem. The state capital is Harrisburg.

Pennsylvania's geography is highly diverse. The Appalachian Mountains run through the center of the state; the Allegheny and Pocono mountains span much of Northeastern Pennsylvania; close to 60% of the state is forested. While it has only 140 miles (225 km) of waterfront along Lake Erie and the Delaware River, Pennsylvania has the most navigable rivers of any state in the nation, including the Allegheny, Delaware, Genesee, Ohio, Schuylkill, Susquehanna, and others. (Full article...)

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Photograph by Mathew Brady, 1861

George Brinton McClellan (December 3, 1826 – October 29, 1885) was an American military officer, politician, engineer, businessman and writer who served as the 24th governor of New Jersey. A West Point graduate, McClellan served with distinction during the Mexican–American War before leaving the United States Army to serve as a railway executive and engineer until the outbreak of the American Civil War in 1861. Early in the conflict, McClellan was appointed to the rank of major general and played an important role in raising the Army of the Potomac, which served in the Eastern Theater; he also served as Commanding General of the United States Army from November 1861 to March 1862.

McClellan organized and led the Union Army in the Peninsula campaign in southeastern Virginia from March through July 1862. It was the first large-scale offensive in the Eastern Theater. Making an amphibious clockwise turning movement around the Confederate Army in northern Virginia, McClellan's forces turned west to move up the Virginia Peninsula, between the James River and York River, landing from Chesapeake Bay, with the Confederate capital, Richmond, as their objective. Initially, McClellan was somewhat successful against General Joseph E. Johnston, but the emergence of General Robert E. Lee to command the Army of Northern Virginia turned the subsequent Seven Days Battles into a Union defeat. However, historians note that Lee's victory was in many ways pyrrhic as he failed to destroy the Army of the Potomac and suffered a bloody repulse at Malvern Hill. (Full article...)
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Plunketts Creek looking upstream, just north of the mouth in Plunketts Creek Township

Plunketts Creek is an approximately 6.2-mile-long (10 km) tributary of Loyalsock Creek in Lycoming and Sullivan counties in the U.S. state of Pennsylvania. Two unincorporated villages and a hamlet are on the creek, and its watershed drains 23.6 square miles (61 km2) in parts of five townships. The creek is a part of the Chesapeake Bay drainage basin via Loyalsock Creek and the West Branch Susquehanna and Susquehanna Rivers.

Plunketts Creek's name comes from the first owner of the land including the creek's mouth, and the creek has given its name to two townships (although one has since changed its name). The creek flows southwest and then south through the dissected Allegheny Plateau, through rock from the Mississippian sub-period and Devonian period. Much of the Plunketts Creek valley is composed of various glacial deposits, chiefly alluvium. (Full article...)
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Credit: Katie Tegtmeyer
JFK Plaza with the LOVE sculpture and fountain.

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Pennsylvania Philadelphia  Pittsburgh 
Erie  Lehigh Valley  Pennsylvania Roads 

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The Appalachian Trail, also called the A.T., is a hiking trail in the Eastern United States, extending almost 2,200 miles (3,540 km) between Springer Mountain in Georgia and Mount Katahdin in Maine, and passing through 14 states. The Appalachian Trail Conservancy claims the Appalachian Trail to be the longest hiking-only trail in the world. More than three million people hike segments of the trail each year.

The trail was first proposed in 1921 and completed in 1937. Improvements and changes have continued since then. It became the Appalachian National Scenic Trail under the National Trails System Act of 1968. (Full article...)
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Map of the original 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 until 1863). It was surveyed between 1763 and 1767 by Charles Mason and Jeremiah Dixon as part of the resolution of a border dispute involving Maryland, Pennsylvania, and Delaware in the colonial United States. The dispute had its origins almost a century earlier in the somewhat confusing proprietary grants by King Charles I to Lord Baltimore (Maryland), and by his son King Charles II to William Penn (Pennsylvania and Delaware).

The largest portion of the Mason–Dixon line, along the southern Pennsylvania border, later became informally known as the boundary between the Southern slave states and Northern free states. This usage came to prominence during the debate around the Missouri Compromise of 1820, when drawing boundaries between slave and free territory was an issue, and resurfaced during the American Civil War, with border states also coming into play. The Confederate States of America claimed the Virginia portion of the line as part of its northern border, although it never exercised meaningful control that far north – especially after West Virginia separated from Virginia and joined the Union as a separate state in 1863. It is still used today in the figurative sense of a line that separates the Northeast and South culturally, politically, and socially (see Dixie). (Full article...)

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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

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This page was last updated at 2023-11-03 04:43 UTC. Update now. View original page.

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