MP's in the UK voted in favor of triggering the European Union Bill (Article 50), which gave the government the power to prepare to leave the European Union.
Joe Biden and his wife, Jill, founded the 'Biden Foundation.'
Researchers identified the earliest known prehistoric ancestor of humans.
Tennis sisters went head-to-head when Serena Williams beat Venus Williams 6-4, 6-4 at the Australian Open Women's Tennis.
President Donald Trump banned citizens of seven countries from entering the US.
Over two million women worldwide marched against Trump's anti-women and offensive slews.
The underwater search for missing Malaysia Airlines flight MH370 ended.
Obama surprised Biden with the Presidential Medal of Freedom during a White House ceremony.
Dozens of people died after drinking bath lotion in Siberia.
The US State Department increased the reward for information on the Islamic State leader Abu Bakr al-Baghdadi to $25 million.
A five-day pollution red alert was declared in Beijing and 21 other Chinese cities.
Malta became the first European country to ban gay conversion therapy.
An international research team published their discovery of 1,500 new viruses that were in invertebrates in Australia and China.
Disney's Moana premiered in Los Angeles, California, US.
A 7.8 magnitude earthquake hit Kaikōura, New Zealand.
Donald Trump won an election to become the 45th president of the United States of America.
New Delhi air pollution was declared a public emergency, causing the city to close many schools and construction sites.
The American singer and songwriter Bob Dylan posthumously won a Nobel prize in literature.
Kim Kardashian was robbed at gunpoint in Paris, France.
China finished building the world's largest radio telescope at 1,640 feet (500 meters) long.
An African American man, Keith Lamont Scott, was shot dead by police on Old Concord Road, Charlotte, North Carolina.
Space probe Osiris-Rex by NASA was launched to collect rock samples from the Bennu asteroid.
Mother Teresa was declared a saint by Pope Francis during a ceremony at the Vatican.
The Central Italy earthquake occurred.
A suicide bomber killed 57 people while injuring 66 in Gaziantep, Turkey.
Georgian heavyweight-lifting champion Lasha Talakhadze smashed a world record by lifting an incredible 473 kg.
Scientists discovered the oldest living Greenland Shark, with an estimated age of 392 years old.
Australian swimmer Kyle Chalmers won the 100-meter freestyle gold medal in the Rio de Janeiro Olympics.
The South Korean band 'Blackpink' released their debut single album 'Square One.'
Authorities blamed climate change for an Anthrax outbreak in the Arctic Circle of Russia.
Verizon bought Yahoo for $4.8 billion in cash.
Funai Electric announced that the world's last VCR would be manufactured this month.
Terrorist Attack in Nice, France Kills 85 and Injures More than 300 People.
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.
Mass Shooting at Pulse Nightclub in Orlando, Florida Kills 49 People.
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.
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.
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.
