Outline of Philadelphia

Updated on Dec 25, 2024

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The following outline of Philadelphia is provided as an overview of and topical guide to Philadelphia topics on Wikipedia.

Philadelphia – largest city in the Commonwealth of Pennsylvania, the second largest city on the East Coast of the United States, and the fifth-most-populous city in the United States. It is located in the Northeastern United States along the Delaware and Schuylkill rivers, and it is the only consolidated city-county in Pennsylvania. As of the 2010 Census, the city had a population of 1,526,006, growing to 1,547,607 in 2012 by Census estimates. Philadelphia is the economic and cultural center of the Delaware Valley, home to over 6 million people and the country's sixth-largest metropolitan area.

General information

Pronunciation: /ˌfɪləˈdɛlfiə/

Common English name(s): Philadelphia

Official English name(s): City of Philadelphia

Nicknames of Philadelphia

Philly

The City of Brotherly Love

Adjectival(s): Philadelphian

Demonym(s): Philadelphians

Rankings

largest city in Pennsylvania

second largest city on the East Coast

fifth-most populous city in the U.S.

Geography of Philadelphia

Philadelphia is: a city in the state of Pennsylvania, in the United States

Atlas of Philadelphia

Population of Philadelphia

2010 U.S. Census: 1,526,006 people

2000 U.S. Census: 1,517,550 people (to see why the city shrank, see White flight)

1950 U.S. Census: 2,071,605 people

Land area of Philadelphia: 134.101 sq mi

Location of Philadelphia

Philadelphia is situated within the following regions:

United States

Pennsylvania

Delaware Valley

Time zone(s): Eastern Time Zone (UTC−05:00)

Environment of Philadelphia

Climate of Philadelphia

Landforms of Philadelphia

Delaware River

Schuylkill River

Districts of Philadelphia

Center City

Neighborhoods in Philadelphia

List of Philadelphia neighborhoods

Locations in Philadelphia

List of sites of interest in Philadelphia

Demographics of Philadelphia

Law and government in Philadelphia

List of mayors of Philadelphia

Philadelphia City Council

Philadelphia Police Department

Crime in Philadelphia

Black Mafia

K&A Gang

Philadelphia crime family

Philadelphia Greek Mob

History of Philadelphia

History of Philadelphia, by period

History of the area before the founding of Philadelphia

Lenape (Native American tribe)

Shackamaxon

New Sweden

Dutch colonization

New Netherland

Treaty of Westminster (1674)

Province of Pennsylvania

William Penn – founder of the Province of Pennsylvania (a British colony), also founded Philadelphia

Benjamin Franklin

Pennsylvania Gazette (1729) – located in Philadelphia, Ben Franklin purchased an existing newspaper, and shortened its name to this.

Library Company of Philadelphia (1731)

Poor Richard's Almanack (1733)

Union Fire Company (1736)

American Philosophical Society (1743)

111th Infantry Regiment (1747)

The Academy and College of Philadelphia (1749) – was merged in 1791 with the University of the State of Pennsylvania to become the University of Pennsylvania.

Pennsylvania Hospital (1751)

Construction of Pennsylvania State House completed (1753) – built for the colonial legislature of the Province of Pennsylvania. It was the building in which the United States was born. Now it is known as Independence Hall.

American Revolution

First Continental Congress

Second Continental Congress (1775-1787) – headquartered in Independence Hall, in Philadelphia, the Congress acted as the de facto national government of what became the United States, by raising armies, directing strategy, appointing diplomats, and making formal treaties.

United States Declaration of Independence (July 4, 1776) – succession of the Thirteen Colonies from the Kingdom of Great Britain, enacted by the Continental Congress. This made Philadelphia the first capital of the United States, by virtue of the Continental Congress being headquartered there.

American Revolutionary War (1775–1783)

Articles of Confederation (November 15, 1777)

Philadelphia campaign (1777–1778) – British initiative to gain control of Philadelphia, which was then the seat of the Second Continental Congress.

Capture of Philadelphia (1777)

Pennsylvania Mutiny of 1783 – anti-government protest by nearly 400 soldiers of the Continental Army in June 1783. The mutiny, and the refusal of the Executive Council of Pennsylvania to stop it, ultimately resulted in Congress vacating Philadelphia and the creation of the District of Columbia to serve as the national capital.

Philadelphia as state capital (1776-1799)

Pennsylvania Constitution of 1776

Supreme Executive Council of the Commonwealth of Pennsylvania

State capital (1776-1799)

Philadelphia Convention (May 25 to September 17, 1787) – met in Independence Hall, where the states' delegates created the United States Constitution, placing the Convention among the most significant events in the history of the United States.

Drafting of the Constitution of the United States (1787)

Temporary capital of the United States (1790-1800) – Philadelphia served as the country's temporary capital while Washington, D.C. was being planned and developed.

Philadelphia during World War II

Philadelphia Experiment