Sources: Washington Post
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 section of Interstate 95 in Philadelphia, Pennsylvania, United States, collapses after a tanker truck catches fire under an overpass. 2023-06-11
Jill Stein's campaign to hold recounts in Michigan, Pennsylvania, and Wisconsin receives grassroots support, having crowdfunded millions of dollars through private donations. 2016-11-25
Former Presidential Green Party candidate Jill Stein is seeking donations for recount efforts in Michigan, Pennsylvania, and Wisconsin. 2016-11-24
The Commission on Presidential Debates officially announces the invitation of Democratic Party nominee Hillary Clinton, and GOP nominee Donald Trump, to the first presidential debate at Hofstra University in Hempstead, New York, on September 26. However, third-party candidates, Gary Johnson and Jill Stein, have not met the criteria, and will not be participants in the debate. 2016-09-16
Hillary Clinton wins Puerto Rico's Democratic presidential primary and, according to the Associated Press, is now less than 30 delegates short of the 2,383 needed to win the nomination. 2016-06-5
Voters in the U.S. states of Connecticut, Delaware, Maryland, Pennsylvania and Rhode Island head to the polls to vote in Democratic and Republican presidential primaries. 2016-04-26
Front runners Hillary Clinton and Donald Trump each won the Democratic and Republican primary in Arizona, respectively. 2016-03-23
Jeff Weaver, presidential campaign manager for Vermont Senator Bernie Sanders, says the DNC's suspending access to the Democratic voter file is part of a "pattern" of actions that suggest the DNC is not impartial. The campaign, which had notified the DNC of software problems, threatens to take the DNC to federal court if the party organization doesn't restore the campaign's access. 2015-12-18
Rick Santorum announces he will be seeking the nomination of the Republican Party in the 2016 United States presidential election. 2015-05-27