At the 81st Academy Awards in 2009, he was posthumously awarded the Oscar for Best Supporting Actor for his portrayal of the Joker in The Dark Knight. He tragically passed away in January 2008, just a few months after completing the film. Credit: @theacademy | History In Pictures

675K views · 22K reactions | He's Wolverineee  Hugh Jackman's opening number saluting Oscar-nominated films at the 81st Academy Awards in 2009. | The Academy | Facebook

11K views · 408 reactions | Dustin Lance Black wins the Oscar for Original Screenplay for Milk at the 81st Academy Awards. Tina Fey and Steve Martin present the award. | The Academy | Facebook

A look back at Kate Winslet winning the Best Actress Oscar for her performance in "The Reader." Presented by former Oscar winners Marion Cotillard, Nicole Kidman, Halle Berry, Shirley MacLaine and Sophia Loren. 81st Annual #Oscars | The Academy

Heath Ledger's family accepting the Best Supporting Actor Oscar for his performance as the Joker in "The Dark Knight". Presented by former Oscar winners Christopher Walken, Alan Arkin, Kevin Kline, Cuba Gooding, Jr.and Joel Grey. 81st Annual Academy Awards in 2008. | The Academy