Question: American Eagle Outfitters, Inc. is an American clothing and accessories retailer, headquartered in the Southside Works Neighborhood of Pittsburgh, Pennsylvania, it was founded in which year, by brothers Jerry and Mark Silverman as a subsidiary of Retail Ventures, Inc.?

Context paragraphs:
Susan McGalla: Susan McGalla is an American businesswoman and executive consultant from Pittsburgh, Pennsylvania.  She is best known as the former president of American Eagle Outfitters Inc. and former chief executive officer of Wet Seal Inc..  McGalla sits on the boards of HFF Inc., a publicly traded company that provides commercial real estate services, and the Magee-Womens Hospital Research Institute and Foundation.  She is a former trustee of the University of Pittsburgh and director of the Allegheny Conference on Community Development.

Aerie (American Eagle Outfitters): Aerie, stylized as aerie, is a lingerie retailer and intimate apparel sub-brand owned by American Eagle Outfitters.  The brand targets the American 15- to 25-year-old female demographic.  In addition to lingerie such as a wide variety of bras and other undergarments, the aerie line also sells dormwear, active apparel, loungewear, accessories and sleepwear.

Chico's (clothing retailer): Chico's is a retail women's clothing chain founded in 1983 by a three-person operation on Sanibel Island, Florida.  Chico's FAS, Inc. is an American women’s clothing and accessories retailer.  The company was founded by Marvin and Helene Gralnick and is headquartered in Ft. Myers, Florida.  Chico's FAS operates three brands: its namesake Chico's, White House | Black Market and Soma.  As of November 1, 2014, Chico's FAS operated 1,557 women's clothing stores in the US and Canada and sold merchandise through franchise locations in Mexico.

Ruehl No.925: Ruehl No.925 was an upscale clothing brand owned by Abercrombie & Fitch, selling apparel, leather goods and lifestyle accessories.  Themed after New York City's Greenwich Village, the store was meant to attract post-graduate individuals aged 22 to 35, competing primarily with J.Crew, Polo Ralph Lauren, and American Eagle Outfitters' equally short-lived spinoff Martin + Osa.

Retail Ventures: Retail Ventures was a holding company originally created in 2003 for DSW (NYSE: DSW), Filene's Basement, and Value City Department Stores.  The retailer's Initial Public Offering was in 1991 under the Value City name.  Value City went on to purchase the DSW shoe business in 1998 and Filene's Basement in 2000.

South Hills Village: South Hills Village is a two-level shopping mall located in the Pittsburgh suburbs of Bethel Park and Upper St. Clair.  It was developed by the Oxford Development Co. as the first shopping complex in Greater Pittsburgh to be built as a fully enclosed structure.  The two-level complex is currently owned by Simon Property Group, who acquired it in 1997.  It is anchored by Target, Dick's Sporting Goods, Macy's (formerly Lazarus and Horne's) and Sears.  The mall features over 130 specialty stores including Abercrombie and Fitch, American Eagle Outfitters, Hollister Co., J.Crew, Ann Taylor Loft, Banana Republic, and an Apple, Inc. store.  The mall also houses a food court and several professional offices.  South Hills Village was the largest in Greater Pittsburgh until the Monroeville Mall, also built by the Oxford Development Company, opened in 1969.

New American Music Union: New American Music Union was a two-day summer music festival scheduled on August 8 and 9, 2008, at the SouthSide Works in Pittsburgh, Pennsylvania.  Lineups on two different stages were curated by Anthony Kiedis of the Red Hot Chili Peppers.  It featured established music acts along with college bands vying for a recording contract.  The show was presented by American Eagle Outfitters and co-produced by Live Nation.  It was designed to be a Pittsburgh version of Milwaukee's Summerfest and Seattle's Bumbershoot.

Westmoreland Mall: Westmoreland Mall, owned and operated by CBL & Associates Properties, Inc., is a two-level, enclosed shopping mall in the municipality of Hempfield Township, Pennsylvania, southeast of Pittsburgh.  It was completed in 1977, extensively renovated and expanded in 1993-1994, and includes The Bon-Ton, H&M, JCPenney, Macy's, Macy's Backstage, Macy's Home, Old Navy and Sears as anchor tenants and over 200 retailers such as American Eagle Outfitters, The Buckle, Charlotte Russe, Crazy 8, Express/Express Men, Hollister Co., The Limited, LOFT, New York & Company, Pandora, Sephora, Talbots/Talbots Petites and Zumiez.  It contains 1,283,597 sqft of retail space on 103 acre , making it the third largest shopping complex in Western Pennsylvania in terms of square footage.  In terms of the number of stores, however, it is the largest.

American Eagle Outfitters: American Eagle Outfitters, Inc. is an American clothing and accessories retailer, headquartered in the Southside Works Neighborhood of Pittsburgh, Pennsylvania.  It was founded in 1977 by brothers Jerry and Mark Silverman as a subsidiary of Retail Ventures, Inc., a company which also owned and operated Silverman's Menswear.  The Silvermans sold their ownership interests in 1991 to Jacob Price of Knoxville, Tennessee.  American Eagle Outfitters is also the parent company of Aerie.

Merry-Go-Round (retailer): Merry-Go-Round was a national clothing retail chain owned by Merry-Go-Round Enterprises, Inc., that thrived from the 1970s through the early 1990s.  The chain fell into bankruptcy during the mid 1990s, and eventually ceased operation in 1996.  It was famous for its ability to profit from short-lived fashion fads and also owned men's clothing retailers Silverman's, by purchasing 273 stores from Retail Ventures, Inc. (RVI), parent of American Eagle Outfitters, in 1989.  In 1993, it purchased the Chess King clothing chain from the Melville Corporation.  At its end, the company operated just over 500 locations, primarily in enclosed malls.

Supporting paragraphs: American Eagle Outfitters Retail Ventures
Answer: 1977