Avatar premiered in United States December 18, 2009.
The film earned $27 million on opening day in the US, and $77 million it's first weekend.
Dollar for dollar Avatar is the highest grossing film in the US and Worldwide with a domestic gross of $760,478,635 and a worldwide gross of $2,777,461,400.
Although, adjusted for inflation BoxOfficeMojo's data shows Avatar as the 14th highest grossing film of all time (source).
Avatar is reported to have had a $237 million dollar budget.
The film broke records as the top selling Blu-Ray release of all time.
Avatar would win 3 Oscars (Art Direction, Cinemotography, Visual Effects). Other nominations included Directing (James Cameron), Editing, Original Score (James Horner), Sound, Sound Editing, and Best Picture.