British prime minister, Theresa May of the Conservative Party, was elected by the Party's MPs.
South African Paralympic champion Oscar Pistorius was sentenced to 6 years in prison for murder.
British Prime Minister David Cameron resigned after failing to prevent Brexit.
Britain voted to leave the European Union.
The preview of J.K. Rowling's Harry Potter and the Cursed Child was shown at the Palace Theater in London.
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.
North Korea launched the Kwangmyŏngsŏng-4 reconnaissance satellite atop an Unha rocket.
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 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 fourth largest diamond was found in Karowe Mine, Botswana.
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 twenty-fourth James Bond movie 'Spectre,' starring Daniel Craig, premiered in London.
University of California scientists found evidence that life on Earth probably began 4.1 billion years ago.
California Governor Jerry Brown passed a bill to legalize assisted suicide for terminally ill persons.
NASA announced that they found running water on Mars.
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.
14-year-old Ahmed Mohamed was arrested at school after bringing in a homemade clock, which was mistaken for a bomb.
The science-fiction movie 'The Martian,' starring Matt Damon, premiered in Toronto, Canada.
Archaeologists and scientists discovered a new human-like species inside caves in South Africa.
Queen Elizabeth II became Great Britain's longest-reigning monarch in history.
A record-breaking haircut saved a sheep that had not been sheared in over five years in Canberra, Australia.
A 108-year-old message in a bottle washed up on a beach in Amrum, Germany.
More than 30 military students were injured in a mass pillow fight leading to a ban of the event in future years.
Former President Jimmy Carter had a lesion removed from his liver.
A mass grave of 30 victims of the 1665 plague was found at Liverpool Street station in London, England.
Pittsburgh hosted the world's largest pinball tournament.
Two passenger trains derailed in Madhya Pradesh, India.
NASA announced they had found 'Earth's bigger, older cousin.'
NASA's New Horizons space probe completed the first flyby of Pluto in the history of human spaceflight.
