Concerns about racial discrimination in the club's membership caused many sponsors to pull their network television advertising, including IBM.
1990 | PGA Tour | 1990 in music | World Rally Championship | World Championship | NCAA Men's Division I Basketball Championship | Ultimate Fighting Championship | World Championship Wrestling | World Touring Car Championship | Six Nations Championship | County Championship | British Touring Car Championship | World Chess Championship | national championship | All-Ireland Senior Hurling Championship | 1990 FIFA World Cup | Football League Championship | Extreme Championship Wrestling | Bowl Championship Series | 1990 ATP Tour | Championship | All-Ireland Senior Football Championship | 2005 World Touring Car Championship season | The Open Championship | PGA | Americans with Disabilities Act of 1990 | World Sportscar Championship | 2010 FIBA World Championship | IMSA GT Championship | European Touring Car Championship |