Sachin Tendulkar becomes the first cricket player to score a double-century in the One Day International format.
WikiLeaks published the first US diplomatic cable leak provided by Chelsea Manning.
Casey Neistat uploaded his first-ever YouTube video.
Justin Bieber reached one million followers on Twitter.
Steve Jobs announced the Apple iPad, the company's most advanced piece of technology at the time.
A 7.0 magnitude earthquake in Haiti claimed 316,000 lives.
Judge Simon Cowell left American Idol but continued working with FOX on X Factor US.
Giant self-rolling snowballs were found in the UK.
The world's largest building at the time opened in Dubai.
A blue moon and a lunar eclipse occurred on the same day.
Scarlett Johansson made her debut on Broadway.
US President Barack Obama received a vaccine jab against the swine flu.
James Cameron's 'Avatar' was released in the US. It became the highest-grossing film of all time at the time.
Boeing 787 Dreamliner completes first flight.
Tiger Woods announced his indefinite leave from professional golf to focus on his marriage.
Treaty of Lisbon comes into force.
A sequel to LittleBigPlanet was released for the PlayStation Portable.
The Twilight Saga: New Moon premiered in Los Angeles.
Major Malik Hasan opened fire at the Soldier Readiness Processing Center in Fort Hood, Texas and killed 13 people, injuring 30.
Microsoft released the Windows 7 operating system.
EA Games' FIFA 10, the highest-rated FIFA game made, was released in Europe.
The American sitcom 'Modern Family' premiered on ABC.
General Abdel Aziz sworn in as President of Mauritania.
'Harry Potter and the Half-Blood Prince' movie by J.K. Rowling was released.
Greenland assumes self-rule.
NASA launched the Lunar Reconnaissance Orbiter, the first American lunar mission in ten years.
Two American journalists were sentenced to 12 years of penal labor after illegally entering North Korea.
Air France flight 447 crashes into the Atlantic.
General Motors filed for Chapter 11 bankruptcy.
The Sri Lankan Civil War ends.
Justin Bieber made his first tweet at 8:27 pm, promoting his single 'One Time.'
NASA's Atlantis Space Shuttle launched on the final mission to service the Hubble Space Telescope.
Same-sex marriage was legalized in Sweden.
The Zimbabwean dollar was suspended indefinitely.
The American sitcom 'Parks and Recreation' debuted on NBC.
Texas movie fans were surprised with a special premiere viewing of that year's Star Trek movie.
North Korea performed a controversial intercontinental ballistic missile test.
North Korea launched the infamous Kwangmyŏngsŏng-2 satellite.
The strain of swine flu known as H1N1 had its first case in the US.
NASA's Discovery Space Shuttle launched from the Kennedy Space Center on mission STS-119.
Brazilian soccer athlete Neymar da Silva Santos Jr. started his professional career at just 17 years old.
Paul Harvey, the news commentator and talk-radio pioneer, died in Arizona at the age of 90.
Queen Elizabeth II knighted English fantasy author Terry Pratchett.
At exactly 23:31:30 (UTC), Unix time passed 1,234,567,890.
Two satellites collide in space.
R&B superstar Rihanna was assaulted by Chris Brown, her boyfriend at the time.
173 people died in Victoria, Australia, during the Black Saturday bushfires.
RuPaul's Drag Race season 1 debuted on Logo TV.
Adrian Hidalgo set the world record for spinning a diabolo around his leg 117 times in 1 minute.
The USA's first African-American President, Barack Obama, conducted his first address.
