Question: Brothers Jerry and Mark silverman started their clothing and accessories company as a subsidiary of a company that was originally created when?

Context articles: Pilot Mill, Bury
HTnaturals
Duchamp (clothing)
List of Under Armour sponsorships
Descente
Primark
The South Butt
Middlemores Saddles
Retail Ventures
American Eagle Outfitters

Pilot Mill, Bury is a four-storey cotton spinning mill in Bury, Greater Manchester.
 It was built in 1905.
 It was taken over by the Lancashire Cotton Corporation in the 1930s and passed to Courtaulds in 1964.
 Production finished, it survived and as of 2010 it was in use by Antler Luggage.
 The Mill is currently occupied by Baum Trading Ltd and Metzuyan Ltd (an online fashion clothing and accessories company)they have opened a retail outlet with an on site cafe.
 www.pilotmill.co.uk
HTnaturals is a Canadian clothing and accessories company based in Vancouver, BC.
 The company focuses mainly on wholesale sales to third party retailers but also operates a factory outlet in Vancouver and an online store.
 Founded in 1998, HTnaturals has grown from a fledgling home-based business to a thriving leader in the natural and organic clothing industry.
Duchamp is a British men's clothing and accessories company founded in 1989.
Under Armour is an American sports clothing and accessories company.
 The company is a supplier of sportswear and casual apparel.
 Under Armour began offering footwear in 2006.
 Under Armour's global headquarters is located in Baltimore, Maryland with additional North American corporate office locations in Austin and Houston, Texas; Denver, Colorado; New York, New York; San Francisco, California; Portland, Oregon; Nashville, Tennessee; and Toronto, Ontario.
 Under Armour's International Headquarters is located in Panama City, Panama, with Latin America offices in São Paulo, Brazil; Santiago, Chile; and Mexico City, Mexico.
 Its European headquarters is in Amsterdam's Olympic Stadium with an additional office in Munich, Germany.
 The Under Armour Shanghai office is the regional headquarters for Greater China.
 Additional Asia Pacific offices are in Guangzhou, China; Hong Kong; Jakarta, Indonesia; Tokyo, Japan; and Sydney, Australia.
Descente Ltd. (株式会社デサント , Kabushiki-gaisha Desanto ) is a Japanese sports clothing and accessories company, first formed back in 1935, when Takeo Ishimoto started the company in Osaka as Ishimoto Shoten.
 The company logo, over 50 years old, depicts 3 basic skiing techniques - traverse, schuss and side-slip.
 Descente owns a portfolio of 16 in-house, purchased and licensed brands, among them Descente, Shiseist, Arena, Marmot and Srixon.
Primark ( , known as Penneys in the Republic of Ireland) is an Irish clothing and accessories company which is a subsidiary of AB Foods, and is headquartered in Dublin.
 The company's first store was founded by Arthur Ryan on behalf of the Weston family in June 1969 on 47 Mary Street, Dublin, the store still remains operative to this day.
The South Butt, LLC was a clothing and accessories company.
 The South Butt was founded in May 2007 by Jimmy Winkelmann Sr. and Jr., the latter being a 16-year-old student at Chaminade College Preparatory School.
 The South Butt dissolved in June 2011.
Middlemores Saddles was a horse saddles and accessories company based in Birmingham, England, with origins dating to the early nineteenth century.
 After several name changes they ended their time as a bicycle saddle and accessories company in Coventry in the late twentieth century.
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.
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.