Nik Wallenda became the first person to walk over the Masaya Volcano in Nicaragua.
Joe Biden won the South Carolina primary election.
China announced that the Coronavirus had created the country's worst health emergency since 1949.
A polymer note replaced the paper £20 note in the UK.
The United States had its first official COVID-19 related death.
US President Donald Trump was acquitted of impeachment charges by the US Senate.
The United Kingdom left the European Union, also known as 'Brexit.'
A helicopter carrying nine people, including Kobe Bryant and his daughter, crashed in California with no survivors.
One hundred million people were placed in lockdown in Wuhan, China, amid the COVID-19 outbreak.
A meteorite that hit Australia 2.2 billion years ago was announced as Earth's oldest recognized meteorite impact structure.
The trial phase of former US President Donald Trump's first impeachment began.
A meteorite that landed in Australia in the 1960s revealed stardust up to 7 billion years old.
Diego, a 100-year-old tortoise, was retired from a breeding program after fathering 800+ children.
A couple got married at their local Dunkin' Donuts after breaking up their relationship at the same Dunkin' Donuts 25 years prior.
The US House of Representatives voted to impeach President Donald Trump for abuse of power (230 votes to 197) and obstruction of Congress (229 votes to 198).
Australia recorded its hottest day ever with an average temperature of 105°F across the country.
The longest ever United Nations climate talk ended.
Speaker of the US House of Representatives, Nancy Pelosi, announced articles of impeachment against President Donald Trump would be drawn up for the abuse of power.
The 70th anniversary of NATO was marked by a gathering in London of world leaders, followed by a reception by Elizabeth II at Buckingham Palace.
Earliest traceable patient, a 55-year-old man, develops symptoms of a novel coronavirus (COVID-19) in Wuhan, China.
A wooden relic thought to be from Jesus's manger was returned to Bethlehem.
The 400th anniversary of the end of the Transatlantic Slave Trade was celebrated with the 'Year of Return' in Ghana.
The world's largest luxury goods corporation, Louis Vuitton (LVMH), bought jeweler Tiffany & Co. for $16.2 billion.
Snake fossils found in Rio Negro Province, Argentina, showed snakes with hind legs that lived over 70 million years ago.
The Brazilian Space Agency announced that the country's Amazon rainforest had suffered its biggest spike in deforestation in over a decade.
A 55-year-old man became the first known person to contract COVID-19.
The city of Havana, Cuba, celebrated its 500th birthday.
Iran claimed to have found over 50 billion barrels of oil in the country's Khuzestan province.
462 non-violent inmates were released from Oklahoma prisons in the largest commutation in American history.
Forty-two people were buried alive in a landslide in Bafoussam, Cameroon.
Actor Wes Studi received the Governor's Award Oscar for Lifetime Acting Achievement, making him the first Native American to do so.
Major Australian newspapers blacked out their front pages in protest against press restrictions on printing whistleblower stories.
The oldest natural pearl discovered off the Abu Dhabi coast was estimated to be 8,000 years old.
The first all-female spacewalk took place.
A camera in London Zoo became the first camera to take selfies powered by plants.
The state of California became the first to ban fur products.
Three thousand five hundred women in Iran were allowed to attend a soccer match for the first time in 40 years.
Protestors took to the streets in Hong Kong after the government announced a ban on face masks.
The World Health Organization announced that they would give measles vaccinations to 800,000 children in the Democratic Republic of the Congo.
Widespread forest fires in Indonesia caused the skies to turn red.
The American Bird Conservancy released a study indicating that the bird population in North America had reduced by around 3 billion.
The New York Times published an investigation declaring Guantanamo Bay Prison as the most costly prison in the world.
Personal information of Ecuador's entire population (16.6 million) became available online on an unsecured cloud server in Miami.
The UK's prime minister Boris Johnson compared himself to The Hulk in his efforts to steer the country out of the European Union.
NASA revealed that water vapor was discovered in the atmosphere of an Earth-size planet, the exoplanet K2-18b.
The Indian Space Research Organization's Vikram Moon lander crash-landed on the moon.
74-year-old Erramatti Mangamma became the world's oldest mother after giving birth to twins in India.
Nature magazine published findings of a 3.8-million-year-old skull found in Ethiopia, which questioned our previous theories of human evolution.
Indonesia announced they plan to move their capital city from Jakarta to Borneo.
American explorer Victor Vescovo became the first person to journey to the deepest points of every ocean.
