Question: The Mills at Jersey Gardens, originally Jersey Gardens and later The Outlet Collection | Jersey Gardens is a two-level indoor outlet mall in Elizabeth, New Jersey, the mall opened on which date, and is the largest outlet mall in New Jersey, and much closer to New York City than its largest outlet mall competitor, Woodbury Common Premium Outlets?

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Original Outlet Mall: The Original Outlet Mall was an indoor outlet mall located in Kenosha, Wisconsin.  The mall opened in 1982 as Wisconsin's first outlet mall.  In 2005 the mall was demolished by its new owners, Tucker Development of Highland Park, Illinois.  An Ashley Furniture store now occupies a portion of the land on which the mall stood.

Tanger Outlets The Walk: Tanger Outlets The Walk is a 109-store open-air outlet mall in Atlantic City, New Jersey.  It is the only outlet mall in Atlantic County.  The mall opened in August 2003 and spans 3 city blocks, featuring a unique layout in outlet mall construction.

Birch Run Premium Outlets: Birch Run Premium Outlets is an outlet mall in Birch Run, Michigan.  The largest outlet mall in the Midwestern United States, it opened in 1986.  It is managed by Premium Outlets, a division of Simon Property Group.

Sawgrass Mills: Sawgrass Mills is an outlet shopping mall operated by the Simon Property Group, in Sunrise, Florida, a city in Broward County.  With 2383906 sqft of retail selling space, it is the tenth largest mall in the United States, the largest single story and outlet mall in the U.S., the largest shopping mall in Broward County, the second largest mall in Florida and Miami Metropolitan Area, and the third largest shopping mall in the southeastern United States.  The mall opened in 1990 as the third mall developed by the now-defunct Mills Corporation (now part of Simon Property Group), and has been expanded four times since then, most recently in 2013.  There are over 300 retail outlets and name brand discounters, with anchors including Off 5th Saks Fifth Avenue, and Super Target.

Merrimack Premium Outlets: The Merrimack Premium Outlets is an outlet mall located in Merrimack, New Hampshire, United States.  The newest outlet mall in New Hampshire, it opened to the public on June 14, 2012, and contains 100 stores.

Woodbury Common Premium Outlets: Woodbury Common Premium Outlets is an outlet center located in Central Valley, New York.  The center is owned by Premium Outlets, a subsidiary of Simon Property Group, and takes its name from the town in which it is located.  Opened in late 1985, expanded in 1993, and again in 1998, the center now has 220 stores occupying more than 800,000 square feet (72,000 m²) and is one of the largest contiguous outlet centers in the world.  Due to its size, different areas are color-coded to help visitors orient themselves, and on weekends, trolleys are available to transport shoppers from the parking lots and around the center.

Sugarloaf Mills: Sugarloaf Mills, formerly Discover Mills, is a 1200000 sqft single story shopping mall in Lawrenceville, Georgia with over 180 specialty retailers.  The mall features 13 anchors as well as a variety of theme restaurants, casual dining and entertainment venues.  The mall opened in November 2001, originally as an outlet mall, but has begun to evolve into an entertainment mall, with the additions of AMC Sugarloaf Mills 18 on December 17, 2003 and Medieval Times on July 21 of 2006.  The mall is also notable in that it had granted naming rights to interested companies, and was one of the first malls in the United States to do so.  The Mills Corporation, the original owner of the mall, had granted the naming rights to Discover Card, and thus originally given the name "Discover Mills" as well as the tag line "Where Discover Card Is The Smart Choice".  Simon Property Group is the current owner of Discover Mills from the Mills Corporation's acquisition.  In October 2012, the 10-year naming rights with Discover Card ended, and the mall was renamed "Sugarloaf Mills," which was the mall's planned name when it was first developed in the late 1990s and named after the parkway the mall is located.

The Mills at Jersey Gardens: The Mills at Jersey Gardens, originally Jersey Gardens and later The Outlet Collection | Jersey Gardens is a two-level indoor outlet mall in Elizabeth, New Jersey.  The mall opened on October 21, 1999, and is the largest outlet mall in New Jersey, and much closer to New York City than its largest outlet mall competitor, Woodbury Common.

Grove City Premium Outlets: Grove City Premium Outlets, (formerly "Prime Outlets-Grove City") is an open-air outlet mall located along Interstate 79, four miles south of its junction with Interstate 80, in Springfield Township, west of Grove City, Pennsylvania.  About 60 miles north of Pittsburgh, Grove City Premium Outlets includes more than 130 brand-name outlet stores, a food court, and one of the Pittsburgh Steelers' official team stores.  It is one of the largest outlet malls in the United States.

Fashion Outlets of Niagara Falls: Fashion Outlets of Niagara Falls, (formerly Niagara Factory Outlet Mall, Niagara Factory Outlets, Prime Outlets of Niagara Falls, and Niagara Falls Mall), is an outlet mall serving Niagara Falls, New York, surrounded by many big-box centers and numerous chain restaurants including Longhorn Steakhouse, Five Guys Burgers and Fries, Applebees, Firehouse Subs, Chipotle Mexican Grill, and the big-box plaza Lasalle Center.

Supporting paragraphs: The Mills at Jersey Gardens Woodbury Common Premium Outlets
Answer: October 21, 1999