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Pennsylvania

Pennsylvania History Timeline

1800s continued
  • (1845) Fire in Pittsburgh damaged over 1,000 buildings; George Dallas became U.S. Vice President
  • (1846) Liberty Bell rang for last time in commemoration of George Washington's birthday
  • (1851) Christiana riots occurred when Maryland slave owner tried to recapture salves in southeastern Pennsylvania
  • (1856) Republican party held first national convention in Philadelphia
  • (1857) James Buchanan became U.S. President
  • (1859) Oil discovered at Titusville
  • (1861 - 1865) Civil War
  • (1863) Two-day Battle of Gettysburg was turning point in war; President Lincoln delivered Gettysburg Address; dedicated national cemetery
  • (1864) Confederate troops attacked Chambersburg; burned town
  • (1869) Coal mine fire killed 110 miners; Philadelphia garment workers founded national labor union, Knights of Labor
  • (1872) First long-distance natural gas pipeline in U.S. completed, five miles from Newton Wells to Titusville
  • (1876) Thomas Edison demonstrated telephone at Centennial Exposition in Philadelphia
  • (1877) First national strike in U.S. began in Pittsburgh against Pennsylvania Railroad
  • (1889) South Fork Dam burst, town of Johnstown destroyed, over 2000 deaths
  • (1894) Milton Hershey founded Hershey Foods and town of Hershey
  • (1897) Fire destroyed state capitol in Harrisburg; coal miners went on strike, police shot 20 people
1900's
  • (1900) American Baseball League formed in Philadelphia
  • (1901) First Mummers parade held in Philadelphia; over 74,000 Pittsburg steelworkers struck; first U.S. escalator installed in Philadelphia office building
  • (1902) Over 100,000 miners called strike, closed mines all summer, President Roosevelt intervened, forced mine owners to submit to arbitration
  • (1904) Major mine explosion in Cheswick entombed 179 coal miners
  • (1906) Race demonstration, riots in Philadelphia
  • (1907) Gas explosion in Jacobs Creek mine kills 239
  • (1908) Marianna coal mine explosion kills 154
  • (1909) Pittsburgh Pirates won World Series
  • (1911) Philadelphia Athletics won World Series
  • (1918) Oakdale chemical factory explosion killed 200; race riots in Chester, five killed; influenza epidemic in Philadelphia killed 11,000
  • (1920) First radio broadcast in U.S. from KDKA
  • (1927) First armored car robbery in U.S. in Pittsburgh
  • (1928) Firedamp coal mine explosion in Mather killed 195 workers; Walter Diemer invented bubble gum
  • (1933) Blue laws overturned allowing Sunday sports
  • (1938) 500-ton meteorite landed near Pittsburgh; Crystal Bird Fauset first African American woman elected to a state legislature
  • (1940) First section of Pennsylvania Turnpike opened, 160 miles long
  • (1942) United Steelworkers of America union formed
  • (1948) Republican and Democratic National Conventions held in Philadelphia; smog from steel, zinc plants in Donoro killed over 50, over 6,000 made ill
  • (1953) Dr. Jonas Salk, University of Pittsburg, announced successful testing of polio vaccine
  • (1954) Polio innoculations of children began in Pittsburgh
  • (1960) Pittsburgh Pirates won World Series
  • (1962) Philadelphia Warriors basketball franchise moved to San Francisco
  • (1964) Race riots in Philadelphia
  • (1967) Students seized administration building at Cheyney State College
  • (1969) Two killed in race riots in York; 60 people arrested, city block burned
  • (1975) Pittsburgh Steelers won Super Bowl
  • (1976) Legionnaire's Disease killed 29
  • (1977) Johnstown floods killed 85
  • (1979) Pittsburgh Steelers won Super Bowl; nuclear accident occurred at Three Mile Island
  • (1985) Philadelphia police dropped bomb on headquarters of radical group, MOVE, killed 11
  • (1988) Oil tank collapsed near Elizabeth, 700,000 gallons of diesel oil spilled into Monongahela River
  • (1989) Pennsylvania first state to restrict abortions
  • (1992) 13 members of Greensburg U.S. Army Reserves killed by Iraqi scud missile
  • (1994) U S Air flight crashed near Pittsburgh, killed all 132 passengers, crew; U.S. Representative, Tom Ridge, elected governor
  • (1995) 23 rare gorillas, orangutans, gibbons, lemurs killed in fire at Philadelphia Zoo
  • (1997) Steel workers at Wheeling-Pittsburgh Steel Corp. ended 10-month strike
  • (1998) Transit union in Philadelphia struck, shut down system affecting 435,000 people per day
  • (1999) Pennsylvania orchards first in North America to suffer plum pox virus
2000s
  • (2001) Tropical Storm Allison moved into Pennsylvania, killed four; United Airlines flight 93, directed by hijackers, crashed southeast of Pittsburgh, killed all 45 passengers, crew; Tom Ridge of Pennsylvania named to direct office of Homeland Security; multi-vehicle accident occured on I-80, covered by ice, snow, five killed
  • (2002) Somerset coal miners, trapped by flooding, rescued after 77 hours
  • (2004) Veterans Stadium, Philadelphia, demolished in 62 seconds with 2,800 explosions; slot machines authorized
  • (2005) Pennsylvania legislators increased salaries in secret session; oil painting by Jackson Pollock and silkscreen by Andy Warhol stolen from Everhart Museum; Philadelphia won first NHL scoreless game by a shootout
  • (2006) Gunman killed students at Amish school; over 200,000 evacuated from homes in Wilkes-Barre area due to flooding
  • (2007) Ice kept major highways closed, hundreds of drivers stranded; Gov. Rendell ordered range of government services shut down due to budget stalemate, over 24,000 workers off the job
  • (2008) Philadelphia Phillies won baseball World Series
  • (2009) Pittsburgh Steelers won sixth Super Bowl; Pittsburgh Penguins won Stanley Cup; G-20 Summit held in Pittsburgh
  • (2010) Casino gambling legalized
  • (2010) Blizzards caused airports to shut down, over 7,000 flights cancelled
  • (2011) Alleged sex abuse scandal at Penn State resulted in firings of several staff, including legendary coach, Joe Paterno
  • (2012) Joe Paterno, legendary Penn State football coach, died at 85

Pennsylvania Cities, Counties & Area Codes

City County Area Code
Gettysburg Adams 717
Pittsburgh Allegheny 412
Kittanning Armstrong 724
Aliquippa Beaver 724
Bedford Bedford 814
Reading Berks 610
Altoona Blair 814
Sayre Bradford 570
Levittown Bucks 215
Butler Butler 724
Johnstown Cambria 814
Emporium Cameron 814
Lehighton Carbon 610
State College Centre 814
West Chester Chester 610
Clarion Clarion 814
Du Bois Clearfield 814
Lock Haven Clinton 570
Bloomsburg Columbia 570
Meadville Crawford 814
Mechanicsburg Cumberland 717
Harrisburg Dauphin 717
Upper Darby Delaware 610
Saint Marys Elk 814
Erie Erie 814
Uniontown Fayette 724
Marienville Forest 814
Chambersburg Franklin 717
McConnellsburg Fulton 717
Waynesburg Greene 724
Huntingdon Huntingdon 814
Indiana Indiana 724
Punxsutawney Jefferson 814
Mifflintown Juniata 717
Scranton Lackawanna 570
Lancaster Lancaster 717
New Castle Lawrence 724
Lebanon Lebanon 717
Allentown Lehigh 610
Wilkes Barre Luzerne 570
Williamsport Lycoming 570
Bradford McKean 814
Greenville Mercer 724
Lewistown Mifflin 717
East Stroudsburg Monroe 570
Norristown Montgomery 610
Danville Montour 570
Bethlehem Northampton 610
Sunbury Northumberland 570
Duncannon Perry 717
Philadelphia Philadelphia 215
Milford Pike 570
Coudersport Potter 814
Pottsville Schuylkill 570
Selinsgrove Snyder 570
Somerset Somerset 814
Dushore Sullivan 570
Montrose Susquehanna 570
Wellsboro Tioga 570
Lewisburg Union 570
Franklin Venango 814
Warren Warren 814
Washington Washington 724
Lake Ariel Wayne 570
Greensburg Westmoreland 724
Tunkhannock Wyoming 570
York York 717
This page was last updated on April 7, 2017.