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.
Tiger Woods announced his indefinite leave from professional golf to focus on his marriage.
A sequel to LittleBigPlanet was released for the PlayStation Portable.
The Twilight Saga: New Moon premiered in Los Angeles.
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.
'Harry Potter' and the Half-Blood Prince” movie by J.K. Rowling was released.
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.
US Airways Flight 1549 landed on the Hudson River, NYC.
The cryptocurrency 'Bitcoin' was created, providing a new digital currency.
