Latest Casino and Gambling News, Casino News, Delaware, Taxationĭover Downs Hotel & Casino will reportedly be open on Christmas Day for the first time ever in the small Mid-Atlantic state’s history.Īccording to the Delaware State News, for the first time since slot machines were approved in Delaware in 1994, it is now legal to gamble at Delaware’s trio of casinos including Dover Downs, Delaware Park Casino in Wilmington and Harrington Raceway & Casino, formerly Midway Slots, on Christmas and on Easter, courtesy of legislation signed by Gov. Betting on sports futures, props and lay bets.