Question: Which 2005 film festival screened out of competition the film that depicted the unofficial ceasefires along the Western Front of World War I around Christmas 1914?
Context: The 6th Toronto International Film Festival (TIFF) took place in Toronto, Ontario, Canada between September 10 and September 19, 1981.  The festival screened films from more than twenty different countries. " Ticket to Heaven", a Canadian film, was selected as the opening film.  Another Canadian film, "Threshold", was chosen as the closing film.  The People's Choice Award was awarded to "Chariots of Fire", directed by Hugh Hudson; the film later won an Oscar for Best Picture. 9th New York Korean Film Festival was held by the Korea Society showcasing a selection of the best of contemporary Korean cinema.  The 2010 New York Korean Film Festival featured eight films in a collaborative effort with the Museum of Modern Art (MoMA) and the Brooklyn Academy of Music (BAM) Rose Cinema.  Like previous festivals, the 2010 New York Korean Film Festival screened contemporary Korean films and also featured panel discussions with directors and other icons of Korean Cinema.  The festival lasted from September 22, 2010 to October 3, 2010.  Ranging from action to comedy, sci-fi to horror, to genre-bending altogether, this year's films represented not only Korea's top box-office hits but also some of the industry's most creative and substantial movies to date. The Christmas truce (German: "Weihnachtsfrieden" ; French: "Trêve de Noël" ) refers to a series of widespread but unofficial ceasefires along the Western Front of World War I around Christmas 1914. The 6th annual Venice International Film Festival was held between 8 and 31 August 1938.  The festival screened a French cinema retrospective, spanning works from 1891 to 1933. The 29th Toronto International Film Festival ran from September 9 through September 18.  The festival screened 328 films of which 253 were features and 75 were shorts (148 of the films screened were in a language other than English). The 3rd Deauville American Film Festival took place at Deauville, France from September 5 to 11, 1977.  The festival was non-competitive in nature and remained so until 1995.  This year, festival also paid tributes to Gregory Peck, Vincente Minelli and Sydney Pollack.  Elizabeth Taylor's name was also announced for the tribute but she was unable to come to the festival that year.  The festival screened 40 feature films. The 63rd Cannes Film Festival was held from 12 to 23 May 2010, in Cannes, France.  The Cannes Film Festival, hailed as being one of the most recognized and prestigious film festivals worldwide, was founded in 1946.  It consists of having films screened in and out of competition during the festival; films screened in competition compete for the Palme d'Or award.  The award in 2010 was won by "Uncle Boonmee Who Can Recall His Past Lives", a Thai film directed by Apichatpong Weerasethakul.  This was determined by the festival's jury members who reviewed films screened in competition.  American film director Tim Burton was the president of the jury for the international competition, and other members of the jury for that competition included actors, screenwriters and composers, such as Kate Beckinsale, Emmanuel Carrère, Benicio del Toro, and Alexandre Desplat.  Other categories for films screened in competition that have their own separate juries for other awards are for Short Films and the Un Certain Regard category. The 13th Toronto International Film Festival (TIFF) took place in Toronto, Ontario, Canada between September 8 and September 17, 1988.  "Midnight Madness" programme was introduced at the festival.  The festival screened more than 300 films from all over the world. " Women on the Verge of a Nervous Breakdown" by Pedro Almodóvar won the "People's Choice Award" at the festival, which later nominated for Best Foreign Language Film at Academy Award. The 9th Toronto International Film Festival (TIFF) took place in Toronto, Ontario, Canada between September 6 and September 15, 1984.  The festival introduced "Perspective Canada" programme, devoted to Canadian films.  The festival screened 225 feature films and more than half of them were Canadian films. Joyeux Noël ('Merry Christmas') is a 2005 film about the World War I Christmas truce of December 1914, depicted through the eyes of French, [British, mostly Scottish]] and German soldiers.  It was written and directed by Christian Carion.  It was screened out of competition at the 2005 Cannes Film Festival.
Answer: Cannes Film Festival