Question: In what year did a 69-acre Six Flags theme park open in the largest city in Cobb County , Georgia ?

text: Six Flags
Former and abandoned properties
These properties are listed in alphabetical order by the final name of the park while under Six Flags control .
Six Flags Entertainment Corporation, also known as Six Flags Theme Parks or simply Six Flags, is an amusement park corporation based in the United States, with properties in Canada, Mexico, and the contiguous United States. It owns more theme parks and waterparks combined than any other amusement park company in the world, and has the seventh-highest attendance in the world. The company operates 25 properties throughout North America, including theme parks, amusement parks, water parks and a family entertainment center. In 2017, Six Flags properties hosted 30.4 million guests. Six Flags was founded in Texas on August 5, 1961 and derived its name from its first property, Six Flags Over Texas. The company maintains a corporate office in Midtown Manhattan, while its headquarters are in Grand Prairie, Texas. On June 13, 2009, the corporation filed for Chapter 11 bankruptcy protection due to crippling debt, which it successfully exited after corporate restructuring on May 3, 2010.
Park Location Year opened Year closed/Sold Notes
American Adventures Marietta , Georgia 1990 2008 This park was located adjacent to Six Flags White Water , and was marketed to families with young children . Six Flags leased the park to Zuma Holdings in 2008 , who then separated the park from White Water , and was permanently closed in 2010 . Six Flags purchased back the lease after the closure and now uses the site as an employee area
Bellewaerde Park Ypres , Belgium 1954 2004 This park was acquired in 1998 alongside the other Walibi-owned properties . The property was sold alongside the other European Six Flags parks to StarParks in 2004 . The park remains in operation as simply Bellewaerde under the ownership of Compagnie des Alpes
Movieland Wax Museum Buena Park , California 1962 1985 Six Flags purchased this wax museum in 1970 . They sold it in 1985 , and later sold all of its holdings and moved many of the sets and wax figures to California , but sold the original clothing and props to the American Musical Academy of Arts Association . The venue eventually closed down in 2005
Six Flags AstroWorld Houston , Texas 1968 2005 AstroWorld was acquired in 1974 . The park closed on October 30 , 2005 and was demolished between late 2005 and 2006 . The park 's site today remains empty
Six Flags Atlantis Hollywood , Florida 1982 1989 Six Flags purchased this water park in 1984 . Six Flags sold off the property in 1989 and was renamed to Atlantis the Water Kingdom . It was closed in 1992 after the events of Hurricane Andrew and was demolished in 1994 . The site where the park once stood is now home to several retail units including a Kmart
Six Flags AutoWorld Flint , Michigan 1984 1985 This indoor entertainment venue closed after only six months by its investors . The park did reopen , but only operated scarcely until 1994 , when it was closed permanently and was demolished in 1997
Six Flags Belgium Wavre , Belgium 1975 2004 This park was acquired as Walibi Wavre in 1998 alongside the other Walibi-owned properties . It was renamed to Six Flags Belgium in 2001 , and was sold alongside the other European Six Flags parks to StarParks in 2004 and reverted to the Walibi brand , being renamed to Walibi Belgium , which is how it remains to this day under ownership of Compagnie des Alpes
Six Flags Dubai Dubai , U.A.E never opened 2019 Located in the second phase of Dubai Parks and Resorts . Was in development for more than ten years . Originally scheduled to open in 2011 , then 2019 , however , the developer had financial issues and the project was cancelled
Six Flags Elitch Gardens Denver , Colorado 1995 2007 This park was owned by Premier Parks when it purchased the Six Flags chain . It was sold to PARC Management in the 2007 property sell-off
Six Flags Holland Biddinghuizen , Netherlands 1971 2004 This park was acquired as Walibi Flevo in 1998 alongside the other Walibi-owned properties . It was renamed to Six Flags Holland in 2000 , and was sold alongside the other European Six Flags parks to StarParks in 2004 and reverted to the Walibi brand , being renamed to Walibi World and currently as Walibi Holland , under ownership of Compagnie des Alpes
Six Flags Kentucky Kingdom Louisville , Kentucky 1987 2010 was purchased by Premier Parks in 1997 prior to its purchase of the entire Six Flags chain . In February 2010 , Six Flags announced it would close the park due to a dispute with the Kentucky State Fair Board , from which Six Flags leased much of the park 's land area and attractions . In 2014 , Kentucky Kingdom reopened under new management
Six Flags New Orleans New Orleans 2000 2005 Originally opened as Jazzland , this park was bought in 2002 and re-branded as Six Flags New Orleans in 2003 . It was closed after severe damage from Hurricane Katrina in 2005 . The city of New Orleans sued Six Flags in 2009 for not making progress to re-open and for not making required lease payments ; ultimately , the site was turned over to the city along with a cash payment . In 2011 , the city made plans to auction the site and all remaining rides and equipment
Six Flags Power Plant Baltimore 1985 1990 Located in the Inner Harbor district of Baltimore , This was Six Flags ' second attempt at an indoor amusement park after AutoWorld . It was a little more successful , but it too closed down eventually . The site of the park was redeveloped into a Hard Rock Cafe , Barnes & Noble , Gold 's Gym ( closed 2010 ) and the world 's first ESPN Zone location ( closed 2010 )
Six Flags Stars Hall of Fame Orlando , Florida 1975 1984 This wax museum was located near SeaWorld Orlando . It was acquired by Harcourt Brace Jovanovich alongside SeaWorld , but it was closed almost immediately after the sale
Six Flags Waterworld Houston , Texas 1983 2005 This water park was adjacent to Six Flags AstroWorld . Much like AstroWorld , Waterworld was closed and demolished in 2005-06 , and its site remains empty . Six Flags Hurricane Harbor Splashtown is the spiritual successor to WaterWorld
Six Flags Worlds of Adventure Aurora , Ohio 1887 2004 Geauga Lake park was purchased by Premier Parks in 1995 prior to its purchase of the entire Six Flags chain . Re-branded as Six Flags Ohio for its opening season in 2000 . It was then renamed Six Flags Worlds of Adventure when Six Flags annexed the adjacent SeaWorld Ohio marine park in 2001 . In 2004 , the entire property was sold to competing amusement park operator Cedar Fair . The park was closed after the 2007 season , but the attached water park remained open until the end of the 2016 season
Warner Bros. Movie World Germany Bottrop , Germany 1967 2004 Premier Parks purchased Warner Bros. 's European theme park chain in 1999 , which included this park and the yet-unbuilt Movie World Madrid ( See below ) . The property was sold alongside the other European Six Flags parks to StarParks in 2004 , which caused the park to lose its Warner Bros. license . The park reopened as Movie Park Germany in 2005 , featuring themes from other movie companies and is now owned by Parques Reunidos
Warner Bros. Movie World Madrid Madrid , Spain 2002 2004 This park was built in a joint venture , to be managed by Six Flags . The property was sold alongside the other European Six Flags parks in 2004 , but unlike them , this park was instead sold back to Time Warner , and being renamed as Warner Bros. Park Madrid that year , and then again to its current name Parque Warner Madrid in 2006 . The park is currently owned and operated by Parques Reunidos , with Warner Bros. holding a 5% minority stake
Walibi Aquitaine Bordeaux , France 1992 2004 This park was acquired in 1998 alongside the other Walibi-owned properties . It was sold alongside the other European Six Flags parks to StarParks in 2004 . The park was renamed to Walibi Sud-Ouest ( Walibi South-West ) in 2010 , which is how it remains to this day under ownership of Compagnie des Alpes
Walibi Lorraine Metz , France 1989 2004 This park was acquired as Walibi Schtroumpf in 1998 alongside the other Walibi-owned properties . The license to The Smurfs characters expired in 2003 and was renamed to Walibi Lorraine . It was sold alongside the other European Six Flags parks to StarParks in 2004 , who sold the park to Claude and Didier Le Douarin in 2006 , who renamed it under its current name Walygator Parc in 2007 . Today , the park is owned by Aspro Parks