Historical timeline for June 27

U.S. President Joe Biden debates former U.S. President Donald Trump. Biden's perceived poor performance leads to his withdrawal from the election on July 21.

A series of powerful cyberattacks using the Petya malware target websites of Ukrainian organizations and counterparts with Ukrainian connections around the globe.

Formosa Fun Coast fire: A dust fire occurs at a recreational water park in Taiwan, killing 15 people and injuring 497 others, 199 critically.

At least fourteen people are killed when a Gas Authority of India Limited pipeline explodes in the East Godavari district of Andhra Pradesh, India.

NASA launches the Interface Region Imaging Spectrograph space probe to observe the Sun.

In a highly scrutinized election, President of Zimbabwe Robert Mugabe is re-elected in a landslide after his opponent Morgan Tsvangirai had withdrawn a week earlier, citing violence against his party's supporters.

The Brazilian Military Police invades the favelas of Complexo do Alemão in an episode which is remembered as the Complexo do Alemão massacre.

Tony Blair resigns as British Prime Minister, a position he had held since 1997. Chancellor Gordon Brown succeeds him.

Space Shuttle Atlantis launches on STS-71, the first space shuttle mission to dock with the Russian space station Mir.

Members of the Aum Shinrikyo cult release sarin gas in Matsumoto, Japan. Seven people are killed, 660 injured.

Two days after it had declared independence, Slovenia is invaded by Yugoslav troops, tanks, and aircraft, starting the Ten-Day War.

The Gare de Lyon rail accident in Paris, France, kills 56 people.

Villa Tunari massacre: Bolivian anti-narcotics police kill nine to 12 and injure over a hundred protesting coca-growing peasants.

Space Shuttle Columbia launched from the Kennedy Space Center on the final research and development flight mission, STS-4.

The Central Committee of the Chinese Communist Party issues its "Resolution on Certain Questions in the History of Our Party Since the Founding of the People's Republic of China", laying the blame for the Cultural Revolution on Mao Zedong.

The 'Ustica massacre': Itavia Flight 870 crashes in the sea while en route from Bologna to Palermo, Italy, killing all 81 on board.

France grants independence to Djibouti.

Constitution for the Federation of Earth was adopted by the second session of the World Constituent Assembly, held at Innsbruck, Austria.

Air France Flight 139 (Tel Aviv-Athens-Paris) is hijacked en route to Paris by the PFLP and redirected to Entebbe, Uganda.

U.S. president Richard Nixon visits the Soviet Union.