sentences:  The Broncos participated in 18 consecutive finals series from 1992–2009, winning premierships six times, including the 1992 and 1993 NSWRL premierships, the Superleague premiership in 1997 and then the 1998, 2000 and 2006 National Rugby League premierships.Whilst Brisbane had had its own rugby league club competition since 1909, Brisbane teams had been assembled occasionally, usually referred to as Combined Brisbane for Bulimba Cup tournaments and representative matches against Sydney-based sides and touring international teams.By the 1980s, the New South Wales Rugby Football League premiership decided they wanted to expand outside their traditional Sydney base.