Younes Abouyaaqoub drove a van into pedestrians on La Rambla in Barcelona, Spain, killing 14 people and injuring at least 130 others.
Mudslides and flooding in Sierra Leone's capital Freetown claimed the lives of 1,141 people and left 3,00 without homes.
SpaceX successfully launched a Dragon spacecraft carrying the first supercomputer to space.
The 'Unite the Right' gathering in Charlottesville, Virginia, became violent after a car smashed into protesters.
A century-old fruit cake was discovered in Antarctica that was ''almost edible.”
An inflatable chicken that resembled US President Donald Trump was placed outside the US White House as part of a political protest.
Camila Cabello released her hit single 'Havana.'
Rapper Kidd Creole stabbed a homeless man to death in New York City and was arrested.
Hackers stole sensitive 'Game of Thrones' files from HBO.
President Donald Trump banned transgender persons from joining the US military.
Linkin Park singer Chester Bennington committed suicide aged 41.
North Korea tested its first intercontinental ballistic missile (ICBM).
Chemical elements Moscovium, Tennessine, and Oganesson were added to the Periodic Table of Elements.
Transgender people were no longer allowed to use public toilets after Obama's rule was rebuked by Donald Trump.
NASA's Spitzer Space Telescope discovered a star with seven Earth-sized planets orbiting it.
A potential new continent was discovered in the South Pacific.
After a near collision with another aircraft at John Wayne Airport in Orange County, California, Star Wars actor Harrison Ford was almost killed.
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.
Jacob Sartorius released his debut album, "The Last Text EP."
The underwater search for missing Malaysia Airlines flight MH370 ended.
Obama surprised Biden with the Presidential Medal of Freedom during a White House ceremony.
