An explosion at an underground coal mine in southwest Turkey kills 301 miners.
American physician Kermit Gosnell is found guilty in Pennsylvania of murdering three infants born alive during attempted abortions, involuntary manslaughter of a woman during an abortion procedure, and other charges.
Forty-nine dismembered bodies are discovered by Mexican authorities on Mexican Federal Highway 40.
Two bombs explode in the Charsadda District of Pakistan killing 98 people and wounding 140 others.
São Paulo violence: Rebellions occur in several prisons in Brazil.
Andijan uprising, Uzbekistan; Troops open fire on crowds of protestors after a prison break; at least 187 people were killed according to official estimates.
A fireworks storage depot explodes in a residential neighborhood in Enschede, Netherlands, killing 23 people and injuring 950 others.
Kosovo War: NATO bombs the village of Koriša, killing at least 87 people.
Race riots break out in Jakarta, Indonesia, where shops owned by Indonesians of Chinese descent are looted and women raped.
India carries out two nuclear weapon tests at Pokhran, following the three conducted on May 11. The United States and Japan impose economic sanctions on India.
Severe thunderstorms and a tornado in Bangladesh kill 600 people.
Alison Hargreaves, a 33-year-old British mother, becomes the first woman to ascend Everest without oxygen or the help of sherpas.
Li Hongzhi gives the first public lecture on Falun Gong in Changchun, People's Republic of China.
The Dinamo–Red Star riot took place at Maksimir Stadium in Zagreb, Croatia between the Bad Blue Boys (fans of Dinamo Zagreb) and the Delije (fans of Red Star Belgrade).
Large groups of students occupy Tiananmen Square and begin a hunger strike.
Police bombed MOVE headquarters in Philadelphia, killing six adults and five children, and destroying the homes of 250 city residents.
Mehmet Ali Ağca attempts to assassinate Pope John Paul II in St. Peter's Square in Rome. The Pope is rushed to the Agostino Gemelli University Polyclinic to undergo emergency surgery and survives.
An F3 tornado hits Kalamazoo County, Michigan. President Jimmy Carter declares it a federal disaster area.
A fire occurs in the Sennichi Department Store in Osaka, Japan. Blocked exits and non-functional elevators result in 118 fatalities (many victims leaping to their deaths).
The Troubles: A car bombing outside a crowded pub in Belfast sparks a two-day gun battle involving the Provisional IRA, Ulster Volunteer Force and British Army. Seven people are killed and over 66 injured.