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The preview of J.K. Rowling's Harry Potter and the Cursed Child was shown at the Palace Theater in London.
Harambe the Gorilla was shot to death inside his enclosure in the Cincinnati Zoo and Botanical Garden.
Merriam-Webster's dictionary published that a hot dog is classified as a sandwich on their website.
Blizzard released its first shooter game, Overwatch, for PS4, Xbox One, and PC.
Andrew Lawrence became the fastest runner to complete a marathon dressed as a fruit.
The Paris Agreement was opened for signatures.
Project Starshot was announced by Yuri Milner, Stephen Hawking, and Mark Zuckerberg.
PayPal withdrew a $3.6 million investment in North Carolina due to the state passing anti-gay legislation.
11.5 million private documents were leaked and became known as The Panama Papers.
The Nagorno-Karabakh conflict between Armenia and Azerbaijan began.
Researchers in England declared that the skull in William Shakespeare's grave was probably stolen and replaced with someone else's by grave robbers.
Aaron Carpenter swam with dolphins for the first time.
Zack Snyder's 'Batman v Superman: Dawn of Justice' premiered at Mexico City's Auditorio Nacional.
At 340 days, Astronaut Scott Kelly completed the longest single mission aboard the International Space Station.
8th Century Muslim graves were discovered in Nimes, France.
A John Lennon fan bought a lock of his hair for $35,000 at an auction in Dallas, Texas, USA.
Researchers announced that gravitational waves had been discovered.
North Korea launched the Kwangmyŏngsŏng-4 reconnaissance satellite atop an Unha rocket.
Zayn Malik's 'Pillowtalk' single was released.
The X-Files returned for Season 10 after a thirteen-year hiatus.
A category five blizzard occurred in the Mid-Atlantic and North East US, which covered the area in 3 feet of snow.
Astronaut Scott Kelly Tweeted a photo of the first flower ever grown in space.
A Chinese Long March rocket launched the Belarussian government's Belintersat-1 satellite into orbit.
A state of emergency was declared in California after a gas leak.
The Ebola epidemic in Guinea was declared by The World Health Organization.
The mayor of Flint, Michigan, declared a state of emergency over contaminated water.
Star Wars: The Force Awakens, directed by J.J. Abrams, had its world premiere at the TCL Chinese Theatre in Los Angeles.
The US Defense Secretary announced that the US Military would open all combat roles to women.
The San Jose, which sank in 1708, was found near Columbia.
The UK-based computer company Raspberry Pi released their $5 (£4) computer.
English singer-songwriter Adele released her third studio album, '25.'
The fourth largest diamond was found in Karowe Mine, Botswana.
ISIL stages series of terrorist attacks in Paris, culminating in massacre at Bataclan theater.
In San Diego, California, SeaWorld announced that it would phase out its orca shows following protests.
Japan recognized its first legal same-sex couple.
A plane crash in South Sudan at Juba International Airport killed 31 people.
The Hunger Games: Mockingjay – Part 2 with Jennifer Lawrence premiered in Berlin, Germany.
The Russian Metrojet Flight 9268 was destroyed by a bomb.
China increased its one-child policy to two children per family.
The World Health Organization ranked Tuberculosis as deadly as HIV in its list of the world's most deadly diseases.
The twenty-fourth James Bond movie 'Spectre,' starring Daniel Craig, premiered in London.
English singer-songwriter Adele achieved the record of the first song to get over 1 million downloads in a week with her third studio album 'Hello.'
University of California scientists found evidence that life on Earth probably began 4.1 billion years ago.
American singer Selena Gomez released her second full-length studio album 'Revival.'
California Governor Jerry Brown passed a bill to legalize assisted suicide for terminally ill persons.
NASA announced that they found running water on Mars.
The latter of two total lunar eclipses was seen from the Americas.
Los Angeles Judge approved Caitlyn Jenner to change her name from Bruce and her gender to female.
Schools shut down in Singapore due to air pollution from farming practices in Indonesia.
Nature magazine announced that more than 3 million people die yearly from air pollution.
