Sources: WCAU
The International Mathematical Union awards the 2026 Fields Medals to Yu Deng, John Pardon, Jacob Tsimerman, and Hong Wang at the International Congress of Mathematicians in Philadelphia, Pennsylvania, United States. Wang becomes the third woman to receive the prize after Maryam Mirzakhani in 2014 and Maryna Viazovska in 2022. 2026-07-23
A presidential debate hosted by ABC News between U.S. vice president and Democratic nominee Kamala Harris and former president and Republican nominee Donald Trump takes place at the National Constitution Center in Philadelphia, Pennsylvania. 2024-09-10
Police dismantle encampments and arrest dozens of students protesting at the Massachusetts Institute of Technology in Cambridge, Massachusetts, and the University of Pennsylvania in Philadelphia, Pennsylvania. 2024-05-10
A firefighter is killed and five other people are injured after a building collapses in Philadelphia, Pennsylvania, United States. 2022-06-18
Pennsylvania governor Tom Wolf announces a mask mandate for Pennsylvania schools and daycares. The mandate will take effect on September 7. 2021-08-31
Pennsylvania reports its first case of a new variant of SARS-CoV-2 in a resident of Dauphin County who traveled internationally. 2021-01-7
Pennsylvania reports a record 7,126 new cases in the last 24 hours, surpassing 7,000 new cases for the first time since the pandemic began. 2020-11-19
Pennsylvania reports 2,875 new infections, its single day record since the pandemic began. 2020-11-3
The first COVID-19 death in Pennsylvania is reported, an adult from Northampton County. He was being treated at a hospital prior to his death. There were no specific details released on the patient or his health prior to contracting the virus. 2020-03-19
Ten people are injured in a shooting at a Philadelphia, Pennsylvania block party. 2015-06-21