Question: On what date did the publisher of Advance Wars unveil their new systems?

full_context: Document 1: Nintendo Entertainment System: At June 1985's Consumer Electronics Show (CES), Nintendo unveiled the American version of its Famicom. This is the system which would eventually be officially deployed as the Nintendo Entertainment System, or the colloquial "NES". Nintendo seeded these first systems to limited American test markets starting in New York City on October 18, 1985, following up with a full-fledged North American release of the console in February of the following year. Nintendo released 17 launch titles: 10-Yard Fight, Baseball, Clu Clu Land, Duck Hunt, Excitebike, Golf, Gyromite, Hogan’s Alley, Ice Climber, Kung Fu, Pinball, Soccer, Stack-Up, Tennis, Wild Gunman, Wrecking Crew, and Super Mario Bros.h[›] Some varieties of these launch games contained Famicom chips with an adapter inside the cartridge so they would play on North American consoles, which is why the title screen of Gyromite has the Famicom title "Robot Gyro" and the title screen of Stack-Up has the Famicom title "Robot Block".
Document 2: Advance Wars: Advance Wars is a turn-based tactics video game developed for the Game Boy Advance by Intelligent Systems and published by Nintendo. It was released in North America on September 10, 2001 with a later release date on Japan and Europe, but the game release was put on hold in both Japanese and European regions due to the following day's September 11 attacks in the United States. Although the game was released in Europe in January 2002, neither GBA game was released in Japan until the "Game Boy Wars Advance 1+2" compilation on November 25, 2004. "Advance Wars" has been released for the Wii U Virtual Console simultaneously in Europe and North America on April 3, 2014.
Document 3: Pokémon Conquest: Pokémon Conquest, known in Japan as , is a tactical role-playing video game developed by Tecmo Koei, published by The Pokémon Company and distributed by Nintendo for the Nintendo DS. The game is a crossover between the "Pokémon" and "Nobunaga's Ambition" video game series. The game was released in Japan on March 17, 2012, in North America on June 18, 2012, and in Europe on July 27, 2012.
Document 4: Nintendo Entertainment System: The Nintendo Entertainment System (commonly abbreviated as NES) is an 8 - bit home video game console that was developed and manufactured by Nintendo. It was initially released in Japan as the Family Computer (Japanese: ファミリーコンピュータ, Hepburn: Famirī Konpyūta) (also known by the portmanteau abbreviation Famicom (ファミコン, Famikon) and abbreviated as FC) on July 15, 1983, and was later released in North America during 1985, in Europe during 1986 and 1987, and Australia in 1987. In South Korea, it was known as the Hyundai Comboy (현대컴보이 Hyeondae Keomboi) and was distributed by SK Hynix which then was known as Hyundai Electronics. The best - selling gaming console of its time, the NES helped revitalize the US video game industry following the video game crash of 1983. With the NES, Nintendo introduced a now - standard business model of licensing third - party developers, authorizing them to produce and distribute titles for Nintendo's platform. It was succeeded by the Super Nintendo Entertainment System.
Document 5: Nintendo Entertainment System: In the UK, Italy and Australia which share the PAL A region, two versions of the NES were released; the "Mattel Version" and "NES Version". When the NES was first released in those countries, it was distributed by Mattel and Nintendo decided to use a lockout chip specific to those countries, different from the chip used in other European countries. When Nintendo took over European distribution in 1990, they produced consoles that were then labelled "NES Version"; therefore, the only differences between the two are the text on the front flap and texture on the top/bottom of the casing.
Document 6: The New Tetris: The New Tetris is a puzzle video game for the Nintendo 64. The game was developed by H2O Entertainment and published by Nintendo, based on the latter's popular "Tetris" series. The game was originally released on July 31, 1999, in North America.
Document 7: Mecho Wars: Mecho Wars is a turn-based strategy video game developed by British studio Oyaji Games and designed by Luc Bernard which is set in the same world as "Eternity's Child". It was released for iOS on June 13, 2009. It was released on PlayStation Minis on January 10, 2012 in North America and January 25, 2012 in Europe. It was also released on December 11, 2010 on PC and Mac.
Document 8: Gradius Advance: Gradius Advance is a horizontally scrolling shooter handheld video game developed by Mobile21 and published by Konami in 2001. It was released later in the same month in the United States as Gradius Galaxies and in 2002 in Japan as . It is the only "Gradius" title available for the Game Boy Advance. The game's plot is set between "Gradius III" and "Gradius Gaiden". Bacterion was developing a powerful weapon to use against the planet Gradius, but it was destroyed. A few years later it crashed on a planet and the planet gradually changed into a mechanical fortress. The planet Gradius then sent the "Vic Viper" to stop it.
Document 9: The Legend of Zelda: Twilight Princess: The Legend of Zelda: Twilight Princess (Japanese: ゼルダの伝説 トワイライトプリンセス, Hepburn: Zeruda no Densetsu: Towairaito Purinsesu?) is an action-adventure game developed and published by Nintendo for the GameCube and Wii home video game consoles. It is the thirteenth installment in the The Legend of Zelda series. Originally planned for release on the GameCube in November 2005, Twilight Princess was delayed by Nintendo to allow its developers to refine the game, add more content, and port it to the Wii. The Wii version was released alongside the console in North America in November 2006, and in Japan, Europe, and Australia the following month. The GameCube version was released worldwide in December 2006.[b]
Document 10: Warlocked: Warlocked is a real-time strategy video game developed by Bits Studios and published by Nintendo for the Game Boy Color. Critical reception towards the game was positive, it received a score of 86% on review aggregation website GameRankings. IGN named the game as the Best Game Boy Strategy game of 2000, and would later list the game as one they would like to see on a hypothetical Virtual Console platform for the Nintendo DSi, owing partially due to its real-time strategy interface. A sequel to the game, titled "Wizards", was in development for the Game Boy Advance, but was cancelled due to the lack of a publisher.
Document 11: Nintendo Entertainment System: For its complete North American release, the Nintendo Entertainment System was progressively released over the ensuing years in four different bundles: the Deluxe Set, the Control Deck, the Action Set and the Power Set. The Deluxe Set, retailing at US$199.99 (equivalent to $475 in 2016), included R.O.B., a light gun called the NES Zapper, two controllers, and two Game Paks: Gyromite, and Duck Hunt. The Basic Set, retailing at US$89.99 with no game, and US$99.99 bundled with "Super Mario Bros." The Action Set, retailing in 1988 for US$149.99, came with the Control Deck, two game controllers, an NES Zapper, and a dual Game Pak containing both Super Mario Bros. and Duck Hunt. In 1989, the Power Set included the console, two game controllers, a NES Zapper, a Power Pad, and a triple Game Pak containing Super Mario Bros, Duck Hunt, and World Class Track Meet. In 1990, a Sports Set bundle was released, including the console, an NES Satellite infrared wireless multitap adapter, four game controllers, and a dual Game Pak containing Super Spike V'Ball and Nintendo World Cup. Two more bundle packages were later released using the original model NES console. The Challenge Set of 1992 included the console, two controllers, and a Super Mario Bros. 3 Game Pak for a retail price of US$89.99. The Basic Set, first released in 1987, was repackaged for a retail US$89.99. It included only the console and two controllers, and no longer was bundled with a cartridge. Instead, it contained a book called the Official Nintendo Player's Guide, which contained detailed information for every NES game made up to that point.
Document 12: Nintendo Entertainment System: Video output connections varied from one model of the console to the next. The original HVC-001 model of the Family Computer featured only radio frequency (RF) modulator output. When the console was released in North America and Europe, support for composite video through RCA connectors was added in addition to the RF modulator. The HVC-101 model of the Famicom dropped the RF modulator entirely and adopted composite video output via a proprietary 12-pin "multi-out" connector first introduced for the Super Famicom/Super Nintendo Entertainment System. Conversely, the North American re-released NES-101 model most closely resembled the original HVC-001 model Famicom, in that it featured RF modulator output only. Finally, the PlayChoice-10 utilized an inverted RGB video output.
Document 13: List of Super Nintendo Entertainment System games: Of the console's 783 official releases, 249 were exclusive to North America and 62 to Europe. The Super NES was released in North America on August 23, 1991 with its launch titles being Super Mario World, F - Zero, Pilotwings, SimCity, and Gradius III. The last game to be officially published for the system was Frogger in 1998. The best - selling game is Super Mario World with over 20.6 million units sold. Despite the console's relatively late start, and the fierce competition it faced in North America and Europe from Sega's Genesis / Mega Drive console, it was the best - selling console of its era.
Document 14: Call of Duty: World at War: Call of Duty: World at War Developer (s) Treyarch Publisher (s) Activision Director (s) Cesar Stastny Producer (s) Daniel Bunting Marwan A. Abderrazzaq John M. DeHart Designer (s) Jeremy Luyties Jesse Synder Artist (s) Colin Whitney Brian Anderson Writer (s) Craig Houston Patrick Doody Chris Valenziano Composer (s) Sean Murray Series Call of Duty Engine IW engine Platform (s) Microsoft Windows PlayStation 3 Xbox 360 Wii Release NA: November 11, 2008 AU: November 12, 2008 EU: November 14, 2008 Genre (s) First - person shooter Mode (s) Single - player, multiplayer
Document 15: Nintendo Entertainment System: As the 1990s dawned, gamers predicted that competition from technologically superior systems such as the 16-bit Sega Mega Drive/Genesis would mean the immediate end of the NES’s dominance. Instead, during the first year of Nintendo's successor console the Super Famicom (named Super Nintendo Entertainment System outside Japan), the Famicom remained the second highest-selling video game console in Japan, outselling the newer and more powerful NEC PC Engine and Sega Mega Drive by a wide margin. The console remained popular in Japan and North America until late 1993, when the demand for new NES software abruptly plummeted. The final Famicom game released in Japan is Takahashi Meijin no Bōken Jima IV (Adventure Island IV), while in North America, Wario's Woods is the final licensed game. In the wake of ever decreasing sales and the lack of new software titles, Nintendo of America officially discontinued the NES by 1995. However, Nintendo kept producing new Famicom units in Japan until September 25, 2003, and continued to repair Famicom consoles until October 31, 2007, attributing the discontinuation of support to insufficient supplies of parts.
ground_truth: October 18, 1985
sub_queries: What is the publisher of Advance Wars? Answer: Nintendo
What day did Nintendo unveil the new systems? Answer: October 18, 1985