Director Peter Jackson took to his Facebook page earlier today and announced that the latest trailer for The Hobbit: An Unexpected Journey will debut Wednesday, September 19. The trailer will be a part of J.R.R. Tolkien Week, celebrating the 75th Anniversary of The Hobbit's publication. There will also be some "special content" the director will be sharing with the fans, so stay tuned all week for all the latest news regarding The Hobbit: An Unexpected Journey. In the meantime, take a look at this video announcement from Peter Jackson himself.