Flags Holland, and Mexico's Reino Aventura as Six Flags Mexico. In 2001, Six Flags acquired the former SeaWorld Ohio from Anheuser-Busch, merged it with the adjacent Six Flags Ohio and re-branded the combined park as Six Flags Worlds of Adventure. The park was positioned to compete against northern Ohio's Cedar Point. In May 2001, Six Flags negotiated with the city of Montreal to operate La Ronde in Montreal, Quebec, Canada. Six Flags acquired the assets of the park and has a long-term contract to lease the land from the city. Walibi Wavre was rebranded as Six Flags Belgium. In 2002, Six Flags acquired New Orleans' Jazzland amusement park from Alfa Smartparks for $22 million. Asset sales and shareholder revolt In 2004, Six Flags began to close and sell properties in an effort to help alleviate the company's growing debt. On March 10, Six Flags sold its European parks, with the exception of the Movie World park in Madrid, Spain, to Star Parks, a division of Palamon Capital Partners. The Madrid park was sold to Time Warner and renamed "Parque Warner Madrid". In April, Six Flags determined that the investment required to keep Worlds of Adventure competitive with Cedar Point in Ohio would be too great, leading to that park being sold to Cedar Fair. All Looney Tunes and DC Comics character branding was removed upon sale to Cedar Fair, since the latter owns the licensing rights to neither franchise. These sales raised $345 million in an effort to relieve Six Flags' massive debt. In 2005, Six Flags endured even more turmoil. Some of the company's largest investors, notably Bill Gates's Cascade Investments (which then owned about 11% of Six Flags) and Daniel Snyder's Red Zone, LLC (which owned 12%), demanded change. On August 17, 2005, Red Zone began a proxy battle to gain control of Six Flags' board of directors. On August 29, 2005, Six Flags New Orleans (which was acquired by Six Flags in 2002) was severely damaged by Hurricane Katrina, and has since sat abandoned. On September 12, Six Flags Chief Executive Officer Kieran Burke announced that Six Flags AstroWorld would be closed and demolished at the end of the 2005 season. The company cited issues such as the park's performance, and parking issues involving the Houston Texans football team, Reliant Stadium, and the Houston Livestock Show and Rodeo, leveraged with the estimated value of the property which