Pittsburgh is a city in southwestern Pennsylvania, situated at the confluence of the Allegheny and Monongahela Rivers, forming the Ohio River. As of the 2020 census, it had a population of approximately 302,971, making it Pennsylvania's second-largest city. The Pittsburgh metropolitan area boasts a population exceeding 2.43 million, ranking it as the largest in both the Ohio Valley and Appalachia regions. It's the 28th-largest metropolitan area in the United States and extends into parts of Ohio and West Virginia.
On July 1, 1901, the record warm daily minimum temperature of 82 °F (28 °C) was recorded in Pittsburgh.
In 1901, J.P. Morgan and Elbert H. Gary merged Carnegie Steel Company and several other companies to form U.S. Steel.
In 1901, the Pittsburgh Pirates claimed one of two pre-World Series titles.
In 1902, the Pittsburgh Pirates claimed one of two pre-World Series titles.
In 1907, Allegheny City was annexed, becoming Pittsburgh's North Side.
By 1910, Pittsburgh had become the nation's eighth-largest city and accounted for one-third to one-half of the national steel output.
In 1911, Magee Womens Hospital was established in Pittsburgh.
In 1911, the federal government reversed its decision to drop the "h" from Pittsburg, restoring the city's name to Pittsburgh.
In 1912, Duquesne Light, one of the original power companies founded by George Westinghouse, was established.
In 1912, the Duquesne University Red Masquers, were founded as the oldest, continuously producing theater company in Pennsylvania.
In 1914, the University of Pittsburgh women's basketball team began play.
In October 1915, the Cleveland Agreement preceded the Pittsburgh Agreement.
In May 1918, the Pittsburgh Agreement, a memorandum of understanding between Czech and Slovak expatriate communities in the U.S., was completed concerning the future foundation of Czechoslovakia.
During the 1918-1919 season, Pittsburgh recorded its lowest snowfall at 8.8 inches (22 cm).
The Nabisco factory, later known as Bakery Square, was constructed from 1918-1998.
In 1919, Andrew Carnegie's Pittsburgh Locomotive and Car Works, which manufactured for the rail industry, closed.
On November 2, 1920, KDKA 1020 AM, the world's first commercially licensed radio station, began airing in Pittsburgh.
In 1921, The Pittsburg Press changed its spelling of the city to include the 'h', becoming Pittsburgh Press.
In 1924, the NHL awarded one of its first franchises to Pittsburgh due to the success of the Pittsburgh Yellow Jackets.
In 1927, the Pittsburgh Steeling company was established.
In 1928, the University of Pittsburgh won a pre-NCAA tournament National Championship in basketball.
In 1930, Pittsburgh recorded its lowest annual precipitation at 22.65 inches (575 mm).
In 1930, the University of Pittsburgh won a pre-NCAA tournament National Championship in basketball.
In the 1933 election, Democrats began being elected consecutively to the mayor's office in Pittsburgh.
Since 1933, the Pittsburgh Steelers have been owned by the Rooney family.
In March 1936, Pittsburgh suffered severe flooding.
In 1936, the Pittsburgh Hornets farm team was established and played until 1967.
In 1937, Laurel Valley Golf Club hosted a PGA Championship.
By 1940, Pittsburgh saw a population increase with European immigrants and became a main destination for African Americans during the Great Migration. Non-Hispanic whites were 90.6% of the city's population.
In 1940, Duquesne University reached the NCAA tournament Final Four.
In 1941, the University of Pittsburgh reached the NCAA tournament Final Four.
In the 1947-48 inaugural NBA season, the Pittsburgh Ironmen played.
During the 1950-1951 season, Pittsburgh recorded its highest snowfall at 80 inches (200 cm).
In 1950, Pittsburgh's population reached 680,000 before suburbanization and economic changes led to a decline.
On April 1, 1954, WQED 13, the local PBS member station in Pittsburgh, was established as the first community-sponsored television station in the U.S.
In 1954, Allegheny General (AGH) was among the first hospitals to administer Cobalt therapy.
In 1955, Duquesne University won the NIT title in basketball.
In 1955, Jonas Salk's polio vaccine came into use.
In 1956, indoor skating at the Exposition Building on the Allegheny River and Duquesne Gardens in Oakland ended.
In 1956, the suburban Conway Rail Yard was the largest freight rail center in the world.
In 1957, Laurel Valley Golf Club hosted an LPGA Championship.
Pittsburgh's wastewater treatment plant was constructed in 1959, but has not been sufficiently upgraded since.
From 1961, the Pittsburgh Rens played until 1963.
In 1961, Point Park University was founded, known for its Conservatory of Performing Arts and Pittsburgh Playhouse.
In 1965, Fox Chapel Golf Club hosted a PGA Championship.
In 1966, pianist-composer Mary Lou Williams honored her hometown of Pittsburgh with an album featuring Leon Thomas.
In 1967, the Pittsburgh Hornets farm team ended.
In 1967, the Pittsburgh Penguins of the NHL were founded and began playing in Pittsburgh.
In 1968, Pittsburgh became recognized as the birthplace of the modern zombie film genre after George A. Romero's film Night of the Living Dead.
In 1968, Pittsburgh's ABA franchise won the title.
In 1968, UPMC performed the state's first heart transplant.
In 1968, the Pittsburgh Pipers, led by Connie Hawkins, won the first American Basketball Association championship.
In 1970, Non-Hispanic whites were 78.7% of the city's population.
In 1970, the ABA returned to Pittsburgh with the Pittsburgh Condors, playing until 1972.
In 1970, the University of Pittsburgh women's basketball team was reintroduced.
In 1971, the Pittsburgh Pirates were the first Major League team to field an all-minority lineup.
Since 1972, the Pittsburgh Steelers have sold out every home game.
In 1973, a lifelong Democrat ran off the party ticket for mayor's office election
In 1977, Pittsburgh launched the "Renaissance II" project, focusing on cultural and neighborhood development.
In 1977, a lifelong Democrat ran off the party ticket for mayor's office election
In 1980, UPMC announced a $250 million expansion and also hired transplant pioneer Thomas Starzl.
The Conway Rail Yard, built in 1889, was the largest freight rail center in the world from 1956 until 1980.
In 1983, UPMC performed the first known cystic fibrosis heart-lung transplant.
In 1984, Allegheny General surgeons pioneered modern brain surgery.
In 1984, UPMC performed the world's first simultaneous liver and heart transplant operation on a child, 6-year-old Stormie Jones.
Since 1984, Pittsburgh has hosted INPEX, the world's largest invention trade show.
In 1985, Starzl arranged the liver transplant of 5-year-old Amie Garrison as a UPMC surgery team flew to Baylor University. Also in 1985, UPMC surgeons revealed a new device after a heart-lung transplant.
In 1985, UPMC performed the youngest heart-lung transplant on a 9-year-old.
In 1986, UPMC announced a $230 million modernization.
On July 16, 1988, Pittsburgh approached the record high temperature reaching 103 °F (39 °C).
In 1989, UPMC performed the world's first heart-liver-kidney transplant.
In 1990, Pittsburgh had the fifth-largest Ukrainian community in the U.S., according to the census.
In 1990, the Pittsburgh Pirates made one of three consecutive National League Championship Series appearances.
In 1991, the Pittsburgh Penguins won an Eastern Conference title and a Stanley Cup championship.
In 1992, the Pittsburgh Penguins won an Eastern Conference title and a Stanley Cup championship.
In 1993, the Pittsburgh Pirates began an MLB record for most consecutive losing seasons, which lasted until 2012.
On January 19, 1994, Pittsburgh recorded its all-time record low temperature of -22 °F (-30 °C).
On July 15, 1995, Pittsburgh last saw temperatures reach 100°F (38°C) or higher.
In 1995, the Pittsburgh Piranhas reached the CBA Finals.
In 1996, UPMC's planned Sicily ISMETT branch was approved by the Italian government as transplant surgeons supervised and delivered the world's third cross species marrow transplant.
In 1997, UPMC performed the world's first heart-liver transplant on an infant.
The Pittsburgh Pirates September 1997 pennant race featured the franchise's last no-hitter and last award for Sporting News' Executive of the Year.
In 1998, UPMC performed the first pediatric heart-double lung-liver transplant.
In 1998, the Riverhounds, an American professional soccer team, were founded.
The Nabisco factory, later known as Bakery Square, was constructed from 1918-1998.
In 1999, Hall of Famer Mario Lemieux became the owner of the Pittsburgh Penguins.
In 1999, UPMC's Thomas Detre founded the International Society for Bipolar Disorders at a world medical conference in Pittsburgh.
In 2000, Pittsburgh Public Schools teachers ranked 17th among the 100 largest cities for the highest minimum salary.
In 2000, the Keystone State Wrestling Alliance (KSWA), a professional wrestling promotion, was founded in Pittsburgh.
In 2000, the UPMC Sports Performance Complex for the Pittsburgh Panthers & Pittsburgh Steelers opened.
In 2010, the census recorded a decrease of 8.6% in residents in Pittsburgh since 2000.
In October 2002, the Hillman Cancer Center opened.
Since 2002, the Pittsburgh Passion has been the city's professional women's football team.
Since 2003, Pittsburgh has hosted Tekko, a four-day anime convention.
From 2004, the Pittsburgh Xplosion played until 2008.
In 2004, the remnants of Hurricane Ivan caused floods in low-lying areas near rivers and streams in Pittsburgh, hitting rainfall records.
As of 2005, Pittsburgh had 31,000 trees along 900 miles of streets.
In 2005, Laurel Valley Golf Club hosted the Senior PGA Championship.
In 2005, Pittsburgh hosted the Bassmaster Classic, an annual world-title fishing competition.
In 2005, UPMC entered into an agreement with IBM to upgrade medical technologies & health information systems.
After the 2006 passage of the Pennsylvania Film Production Tax Credit, Pittsburgh's film industry accelerated, attracting numerous major motion pictures.
From 2006 to 2011, Pittsburgh's metropolitan statistical area experienced over 10% appreciation in housing prices.
In 2006, Luke Ravenstahl was sworn in as mayor at age 26, becoming the youngest mayor in the history of any major American city.
Since 2006, Anthrocon, one of the world's largest furry conventions, has been held annually at the David L. Lawrence Convention Center in Pittsburgh.
Since 2006, Pittsburgh has hosted Anthrocon, a furry convention.
In 2007, a 25% tax credit incentive was established, significantly impacting the region's economy and job creation due to film production in Pittsburgh.
In 2007, the annual payroll of the region's technology industries exceeded $10.8 billion.
In 2008, the Pittsburgh Penguins won an Eastern Conference title.
In September 2009, Pittsburgh hosted the 2009 G20 Pittsburgh summit.
From 2009, the Pittsburgh Phantoms played until 2010.
In 2009, Pittsburgh hosted the Forrest Wood Cup, an annual world-title fishing competition.
In 2009, UPMC performed the nation's first double hand transplant.
In 2009, the East Mall public housing complex was demolished and replaced by businesses like Target, which some residents see as evidence of gentrification and a strategy to disperse Black and low-income populations.
In 2009, the Pittsburgh Penguins won an Eastern Conference title and a Stanley Cup championship.
In 2009, the Pittsburgh Steelers won a league record sixth Super Bowl.
In 2009, the UPMC Children's Hospital of Pittsburgh opened.
Since 2009, Pittsburgh has hosted the DUG East energy trade show.
According to a 2010 study by the Association of Religion Data Archives (ARDA), the religious affiliations of residents in the metro area included: 773,341 Catholics, 326,125 Mainline Protestants, 174,119 Evangelical Protestants, 20,976 Black Protestants, and 16,405 Orthodox Christians. 996,826 were listed as unclaimed and 16,405 as other.
In 2010, Pittsburgh had 143,739 households with an average household size of 2.17 and an average family size of 2.95.
In 2010, Poet Terrance Hayes, won the National Book Award.
In 2010, UPMC officially adopted Hamot Medical Center in Erie, Pennsylvania.
In 2010, UPMC performed the first total forearm and hand transplant.
In 2010, the Pittsburgh Penguins moved into the PPG Paints Arena, previously known as Consol Energy Center.
In 2010, there were 1,600 technology companies in Pittsburgh.
The 2010 census recorded 305,704 residents in Pittsburgh, marking an 8.6% decrease since 2000. The population was 66.0% White, 25.8% Black or African American, 0.2% American Indian and Alaska Native, 4.4% Asian, 0.3% Other, and 2.3% mixed. Non-Hispanic whites were 64.8% of the population.
A 2011 analysis valued the annual benefits of Pittsburgh's urban forest between $10 and $13 million, based on contributions to aesthetics, energy use, and air quality.
From 2006 to 2011, Pittsburgh's metropolitan statistical area experienced over 10% appreciation in housing prices.
In 2011, Pittsburgh became "Gotham City" during the filming of The Dark Knight Rises.
In 2011, Wiz Khalifa's hit song "Black and Yellow" reached number one on the Billboard Hot 100.
In 2011, the Port of Pittsburgh ranked as the 20th-largest port in the United States.
Since 2011, the Pittsburgh Dad series has showcased the Pittsburghese genre to a global YouTube audience.
Between the 2012 and 2013 seasons, The University of Pittsburgh's Panthers left the Big East for the ACC.
In 2012, Fox Chapel Golf Club hosted a Senior Players Championship.
In 2012, The Lancet published a UPMC study of quadriplegics being able to move a robotic arm by thought.
In 2012, statistics showed that Pittsburgh had lower rates of property and violent crime compared to many other large U.S. cities, per 100,000 persons.
In 2012, the Pittsburgh Pirates ended their MLB record for most consecutive losing seasons, which began in 1993.
In 2012, the UPMC Children's Hospital campus was featured in world news for its unique approaches to patient care. Also in 2012, the Pittsburgh Penguins announced a state of the art training facility with UPMC.
Since 2012, the Hot Mass after-hours electronic music dance party has been a key part of Pittsburgh's electronic music scene, noted for its European nightclub vibe.
Between the 2012 and 2013 seasons, The University of Pittsburgh's Panthers left the Big East for the ACC.
In 2013, Pittsburgh was named the 3rd "most secure" big city by Farmers Insurance.
In 2013, UPMC announced it had partnered with Nazarbayev University to help found its medical school.
In 2013, the Pittsburgh Pirates made a postseason appearance in the National League Division Series.
On January 6, 2014, Bill Peduto was sworn in as mayor of Pittsburgh.
A study from 2014 to 2016 found that children near industrial sites in Pittsburgh had asthma rates nearly three times the national average.
According to a 2014 study by the Pew Research Center, 78% of Pittsburgh's population identified as Christians, with 42% attending Protestant churches and 32% professing Catholic beliefs. 18% claimed no religious affiliation, and other religions collectively made up about 4% of the population.
In 2014, Poet Terrance Hayes, winner of the 2010 National Book Award, was named a MacArthur Foundation Fellow.
In 2014, a National Bureau of Economic Research report named Pittsburgh the second-best U.S. city for intergenerational economic mobility.
In 2014, the Pittsburgh Pirates made a postseason appearance in the Wild Card games.
In 2015, Chatham University, originally a women's college, became fully coeducational.
In 2015, the Pittsburgh Pirates made a postseason appearance in the Wild Card games.
A study from 2014 to 2016 showed that 38% of students in Pittsburgh lived in areas exceeding EPA's particle pollution standards, with 70% surpassing WHO's standards.
In 2016, Pittsburgh's drinking water experienced high lead levels, which many residents attributed to changes in PWSA's administration.
In 2016, the Pittsburgh Penguins won an Eastern Conference title and a Stanley Cup championship.
From 2017, Pittsburgh welcomed a series of major film and television productions like Fences, Mindhunter, Ma Rainey's Black Bottom, Sweet Girl, and I'm Your Woman, contributing to the local economy.
In 2017, a study by the Cohen Center for Modern Jewish Studies at Brandeis University estimated the Jewish population of Greater Pittsburgh was 49,200.
In 2017, the Allegheny County Sanitary Authority (ALCOSAN) proposed a $2 billion system upgrade.
In 2017, the Pittsburgh Penguins won an Eastern Conference title and a Stanley Cup championship.
In 2018, Pittsburgh recorded its highest annual precipitation at 57.83 inches (1,469 mm).
In 2018, Pittsburgh's population density was concentrated in the central, southern, and eastern areas. The city had a population density of 5,513 people per square mile.
In 2018, the University of Pittsburgh's Division I (FBS) Panthers appeared in the ACC Championship Game.
In 2018, the starting teacher salary in Pittsburgh was $46,920 for teachers with a BA and a maximum salary of $95,254 for teachers with a master's degree.
At the end of 2019, the Pittsburgh Bureau of Police reported 37 murders in the city.
By the 2019 American Community Survey, the median income for a household in Pittsburgh increased to $53,799.
In 2019, the EPA approved ALCOSAN's $2 billion system upgrade proposal.
In 2019, the San Francisco marketing agency AF and Co named Pittsburgh the top American food city.
By the 2020 census, Pittsburgh's population slightly declined to 302,971. The racial and ethnic makeup in 2020 was 64.7% non-Hispanic white, 23.0% Black or African American, 5.8% Asian, and 3.2% Hispanic or Latino American of any race.
In 2020, the census recorded Pittsburgh's population as 302,971, making it Pennsylvania's second-most populous city.
In November 2021, Ed Gainey was elected as Pittsburgh's first African-American mayor.
From 2021 to 2024, the United States Environmental Protection Agency (EPA) data indicated that Pittsburgh's air quality was generally good or moderate.
In 2021, the University of Pittsburgh's Panthers won the ACC Championship Game, which was the program's first conference title since leaving the Big East for the ACC.
In 2023, Summer Lee became the U.S. Representative for Pennsylvania's 12th congressional district, which includes Pittsburgh.
In 2023, a study by Police Scorecard rated the Pittsburgh Police Department at 37% quality, indicating performance below the 50th percentile in multiple categories.
In 2023, the Pittsburgh City Council approved an increase to the police budget by $6 million, with about 6% going to the Stop the Violence trust fund.
Up to 2023, Pittsburgh welcomed a series of major film and television productions like Fences, Mindhunter, Ma Rainey's Black Bottom, Sweet Girl, and I'm Your Woman, contributing to the local economy.
From 2021 to 2024, the United States Environmental Protection Agency (EPA) data indicated that Pittsburgh's air quality was generally good or moderate.
In 2024, Anthrocon attracted over 17,000 visitors, generating a cumulative economic impact of $53 million over 11 years. Additionally, the reality show Dance Moms is filmed at Pittsburgh's Abby Lee Dance Company.
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