NASA successfully put two satellites designed to study the Moon's interior structure into the Moon's orbit.
Former French President Jacques Chirac was convicted of diverting public funds and received a two-year suspended prison sentence.
NASA launched the Mars Science Laboratory probe, which carried the Curiosity Rover to Mars.
After two and a half years of Alpha and Beta development, the full version of Minecraft was released.
Ubisoft released Rayman Origins worldwide for PlayStation 3, PC, and Xbox 360.
The much-anticipated Elder Scrolls V: Skyrim was released for PC, PS4, and Xbox 360.
Asteroid 2005 YU55 came dangerously close to hitting the Earth.
The United Nations Population Fund (UNFPA) stated that the world's population had reached seven billion.
American romantic fantasy movie 'The Twilight Saga: Breaking Dawn – Part I' premiered at the Rome Film Festival.
NTC forces killed Muammar Gaddafi and his son after the Battle of Sirte.
Rocksteady Games released the grittiest Batman game to date, Batman: Arkham City.
The world's largest Legoland theme park opened in Winter Haven, Florida.
Dark Souls, the second Souls game after Demon's Souls, was released for PS3 and Xbox 360 in North America.
American spy thriller TV series 'Homeland' first aired on Showtime.
The US military policy 'don't ask, don't tell' came to an end.
The movie 'Drive,' based on James Sallis's novel, was released in the US.
Officers closed a highway in Alberta, Canada, after a truck carrying 104 beehives overturned.
Singer legend Amy Winehouse was found dead at her home in London, England.
NASA's space shuttle program finally came to a close when mission STS-135 landed.
Marvel's superhero movie 'Captain America: The First Avenger' hit the theaters.
The British newspaper, News of the World, published its last-ever edition following a phone-hacking scandal.
The Space Shuttle Atlantis launched for its final mission.
'Harry Potter and the Deathly Hallows – Part 2' premiered in London.
''Somebody That I Used to Know” by Gotye featuring Kimbra was released.
NASA launched the Endeavour Space Shuttle on the penultimate space shuttle mission.
The FBI's most wanted man, Osama bin Laden, was killed by the US Navy Seals and CIA operatives in Abbottabad, Pakistan.
Prince William and Kate Middleton tied the knot.
An EF4 multiple-vortex tornado destroyed areas of two major Alabama cities: Tuscaloosa and Birmingham.
The Voice, a reality singing competition television show, premiered on NBC.
NetherRealm's Mortal Kombat, the first game in the franchise reboot, was released for PS3 and Xbox 360.
After hyping the game up for years, Valve finally released Portal 2 for PC, PS3, and Xbox 360.
Game of Thrones premiered on HBO.
The movie 'Thor' premiered in cinemas in Sydney, Australia.
The Australian boy band 5 Seconds of Summer formed.
15,899 lives were lost after a severe 9.0 magnitude earthquake occurred in Japan.
Space Shuttle Discovery completed its last-ever mission and made its final landing onto Kennedy's runway at 11:57 am EST.
5 Seconds of Summer member Luke Hemmings posted his first YouTube video.
The Egyptian government shut down 88% of the internet across the country.
The 2011 Egyptian revolution began after years of police brutality and corruption.
Estonia joined the Eurozone and adopted the Euro as its currency.