Rocksteady Games released the grittiest Batman game to date, Batman: Arkham City.
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 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.
Marvel's superhero movie 'Captain America: The First Avenger' hit the theaters.
'Harry Potter and the Deathly Hallows – Part 2' premiered in London.
'Somebody That I Used to Know' by Gotye featuring Kimbra was released.
Oprah Winfrey aired her last show.
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.
5 Seconds of Summer member Luke Hemmings posted his first YouTube video.
Last episode of "Larry King Live" aired.
A first edition of 'The Birds of America' by John James Audubon was auctioned at Sotheby's, London, England, for £7,321,250 ($10 million) – which took the record for any book at auction.
British singer-songwriter Adele released her hit single 'Rolling in the Deep.'
Harry Potter and the Deathly Hallows – Part 1, based on J.K. Rowling's 2007 fantasy novel, was released worldwide.
Sebastian Vettel became the youngest Formula 1 World Champion ever by winning the last race of the season in Abu Dhabi.
Taylor Swift's third studio album 'Speak Now' was released. It won Billboard's 2011 Album of the Year.
Instagram was launched and gained 25,000 users on its first day.
Actor and actress Seth Rogen and Lauren Miller got engaged.
The American biographical drama movie 'The Social Network' was released at the New York Film Festival.
Lady Gaga wore a full outfit made of meat for the MTV Video Music Awards.
The historical drama 'The King's Speech' premiered at Telluride Festival in the United States.
Singapore opened the world's first Summer Youth Olympics Games.
British boyband One Direction was formed during X-Factor UK.
FIFA World Cup Final is held in Johannesburg, South Africa.
'Inception,' starring Leonardo DiCaprio and Joseph Gordon-Levitt, premiered in London, England.
The longest tennis match in history took place.
The Twilight Saga: Eclipse premiered in Los Angeles.
Eminem released his 7th studio album 'Recovery.'
South Africa played host to the first FIFA World Cup in Africa.
SpaceX's Falcon 9 rocket successfully launched on its maiden flight.
In the Super Rugby Final at Orlando Stadium, the Bulls defended their title with a 25-17 win over the Stormers in an all-South African final.
The final episode of LOST aired.
The worst air crash involving a Boeing 737 kills 158 in India.
Emmy Award winner Julia Louis-Dreyfus, star of 'Seinfeld,' received the 2,407th star on the Hollywood Walk of Fame.
The President of Poland, Lech Kaczynski, dies in a plane crash.
Craig David was appointed as Goodwill Ambassador against tuberculosis (TB) by the World Health Organization.
Sachin Tendulkar becomes the first cricket player to score a double-century in the One Day International format.
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.
Judge Simon Cowell left American Idol but continued working with FOX on X Factor US.
Scarlett Johansson made her debut on Broadway.
James Cameron's 'Avatar' was released in the US. It became the highest-grossing film of all time at the time.
