 Their fortunes waned, but the club soon enjoyed infrequent periods of success, including Inter-Cities Fairs Cup triumph and a first league and cup double in the 1970s.During the late 1980s, Arsenal had built a side that threatened Liverpool's league dominance, and performed greatly in cup competitions.The club played an active role in the formation of the Premier League in 1992, and two doubles followed in 1998 and 2002.