Question: In what year was the company of which American Eagle Oufitters is a subsidiary created?

Context articles: Air Wisconsin
Retail Ventures
Envoy Air
NNB Generation Company
American Eagle Outfitters
American Eagle (airline brand)
Peer Media Technologies
The Green Sheet
American Eagle (roller coaster)
Northern New England Spinco

Air Wisconsin Airlines is a regional airline based at Appleton International Airport in the town of Greenville, Wisconsin, United States, near Appleton.
 Air Wisconsin is the largest privately held regional airline in the United States.
 It currently operates regional jet flights as American Eagle under contract to American Airlines via a code sharing agreement, serving cities in the U.S. and Canada with hubs at Boston Logan International Airport (BOS), Charlotte Douglas International Airport (CLT), Philadelphia International Airport (PHL) and Ronald Reagan Washington National Airport (DCA) .
 Air Wisconsin previously operated United Express service on behalf of United Airlines followed by US Airways Express service on behalf of US Airways prior to becoming an American Eagle regional air carrier.
 The company has announced it will once again partner with United Airlines as a United Express code sharing air carrier with primary hubs to be located at Chicago O'Hare International Airport (ORD) and Washington Dulles International Airport (IAD) beginning in September 2017 and will be "exclusively operating" as United Express by March 2018.
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.
Envoy Air Inc. (formerly American Eagle Airlines) is an air carrier headquartered in Irving, Texas, in the Dallas-Fort Worth metroplex.
 It is a wholly owned subsidiary of American Airlines Group that, along with several carriers outside the group, feeds the American Airlines route network under the American Eagle brand.
 With over 1,800 flights a day, serving 159 cities across the United States, Canada, Mexico and the Caribbean, Envoy is considered to be the world's largest regional airline system.
 Envoy is an affiliate member of the Oneworld airline alliance.
NNB Generation Company (NNB GenCo) is a subsidiary created by EDF Energy to build and then operate two new nuclear power stations in the United Kingdom.
 The new plants are to be Hinkley Point C and Sizewell C and will eventually produce up to 6.4GW in total.
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.
American Eagle is an American brand name for the regional branch of American Airlines, under which ten individual regional airlines operate short- and medium-haul feeder flights.
 Three of these airlines, Envoy Air (formerly American Eagle Airlines), Piedmont Airlines and PSA Airlines, are wholly owned subsidiaries of American Airlines Group.
 Just like the regional brands of the other two major airlines (Delta Connection and United Express), American Airlines' regional brand accounts for more than 60% of American Airlines flights.
Peer Media Technologies, Inc. is an Artistdirect subsidiary created in 2009 as a merger of MediaDefender and MediaSentry, after the reputations of the predecessor companies were sullied by the exposure of internal emails and the use of investigative tactics deemed illegal in several U.S. states.
The American Eagle, later known also as Murray Eagle and The Green Sheet, was a newspaper that covered central Salt Lake Valley, especially the city of Murray, Utah.
 The beginnings of "The American Eagle" of Murray, Utah, are shrouded in mystery.
 The newspaper may have been published as early as 1891 as the "American".
 Other sources list 1896 as the beginning publication date, before Murray was incorporated in 1903.
 The first known editor was Martin A. Willumsen.
 The "Murray Eagle" and "Midvale Journal" started out as the "American Eagle".
 By 1908 the newspaper was named the "Murray Eagle".
American Eagle is a wooden racing roller coaster located at Six Flags Great America.
 It was the first wooden roller coaster designed by Intamin of Switzerland and was built in 1981 by the contracting firm Figley-Wright.
 While the records have since been broken, American Eagle had the longest drop and fastest speed among wooden roller coasters when it debuted and is still recognized as a top racing coaster in the United States.
 In 2006, American Eagle celebrated its Silver Anniversary (25th Anniversary).
Northern New England Spinco, Inc. was a Verizon Communications subsidiary created in 2007.
 Its sole purpose of existence is to act as a reverse Morris trust holding company for Verizon's assets owned by Bell Atlantic, GTE, NYNEX, and Verizon located within Maine, New Hampshire, and Vermont.
 This company was spun off to Verizon stockholders on March 31, 2008 and was merged into FairPoint Communications the same day.