Harrah's announces 2007 World Series of Poker dates (Casino City Times) The 2007 World Series of Poker will begin June 1 at the Rio All Suites Hotel and Casino Harrah's Entertainment officials announced Monday. The Main Event final table will begin on July 17th, Harrah's spokesman Gary Thompson said. Publ.Date : Mon, 30 Oct 2006 20:21:23 GMT