Elon Musk bought a 9.2% stake in Twitter, amounting to $2.9 billion.
The 21st Commonwealth Games officially began on the Gold Coast, Queensland, Australia.
The Pink Star Diamond sold for a record USD 71 million in Hong Kong.
Beyoncé and Jay-Z married with only 40 guests present on their special day.
Jack Ma founded Alibaba Group Holding Limited.
NASA’s Challenger Space Shuttle was launched from Florida on its maiden voyage.
Mission STS-6 launched at 1:30 PM from the Kennedy Space Center and lasted a total of five days, twenty-six minutes, and 42 seconds. The first-ever extravehicular activities of the space shuttle program were conducted during the mission, where two astronauts spent just over four hours spacewalking.
Bill Gates and Paul Allen founded Microsoft.
New York City’s Twin Tower World Trade Center was officially opened.
The buildings were the world’s tallest at 1,350 feet tall. In the September 11, 2001 disaster, the towers were destroyed after terrorists crashed into them on hijacked planes.
Martin Luther King Jr. was assassinated.
He was shot at the Lorraine Motel in Memphis, Tennessee, by James Earl Ray.
The Kangra earthquake in India killed over 20,000 people.
This 7.8 magnitude earthquake destroyed up to 100,000 buildings, and 53,000 domestic animals were lost.
US Congress released a US flag that featured 20 stars and 13 red and white stripes.
The Declaration of Breda document was issued by the exiled King Charles II of England.
The declaration promised a pardon of crimes committed during the English Civil War as loyal subjects of King Charles.
Moscow was mentioned for the very first time in historical records when two princes met there for a great banquet.