Yitang Zhang Chinese mathematician Yitang Zhang proves that there are infinitely many pairs of prime numbers that differ by 70 million or less. This proof is a breakthrough in proving that there are infinitely many twin primes, one of the oldest unsolved problems in mathematics.
Soyuz A Soyuz capsule carrying astronauts Chris Hadfield of Canada, Thomas Marshburn of the United States and Roman Romanenko of Russia of Expedition 35 back from the International Space Station lands safely in Kazakhstan.
Conservative Party The British Conservative Party publishes a draft European Union (Referendum) Bill aimed at holding a referendum on Britain's membership of the European Union by 2017.
Canada Voters in Canada's British Columbia Province go to the polls to select members to the province's Legislative Assembly.
U.S. The U.S. Internal Revenue Service admits that it targeted certain classes of conservative groups (mainly those who had the words "Tea Party", "Patriot", and other related words in their titles) for special scrutiny.
Abortion Convicted murderer, abortion physician Kermit Gosnell, in a plea bargain, trades away his appeals in exchange for a life sentence without the possibility of parole.
United States The United States fines the Indian pharmaceutical company Ranbaxy Laboratories US$500 million after they are found guilty of selling adulterated drugs to the United States.
Central Intelligence Agency An alleged CIA agent is arrested in Moscow for trying to recruit a Russian intelligence officer.
Rohingya people Several boats carrying over 100 Rohingya Muslims away from an oncoming cyclone capsize off the coast of Myanmar leaving only 42 survivors.
Freeport-McMoRan A tunnel collapses at Freeport-McMoRan’s Grasberg mine in Indonesia's Papua province trapping approximately thirty workers.
Greek nationals Greek civil servants hold a 24-hour strike after the government proposes to use emergency powers to stop striking teachers from disrupting university exams.
American American actress Angelina Jolie announces that she underwent an elective double mastectomy due to her family history of lethal cases of breast cancer.
Nigerian president The President of Nigeria, Goodluck Jonathan, declares a state of emergency in Adamawa, Borno and Yobe to fight an Islamist insurgency.