on 8 September 1985 in a FAI League Cup match against Dundalk with Jim Mahon scoring the club's first goal at senior level. The Wanderers' secured promotion to the Premier Division by winning the League of Ireland First Division Championship that year. They were relegated back down to the First Division in the 1987–88 season. Wanderers did not regain Premier Division status until the 1990–91 season but had their first major success during their spell in the First Division. They won the FAI Cup in 1990 beating St Francis 3–0 in the first Lansdowne Road final with John Ryan becoming only the second player to score a hat-trick in a FAI Cup final. They made history by becoming the first ever First Division side to win the trophy. Due to this cup win, Wanderers competed in European competition, for the first time in their history in the 1990–91 season. They were defeated, however, by Trabzonspor in the European Cup Winners' Cup preliminary round. After two seasons in the Premier Division, the club was once again relegated to the First Division where they remained for three seasons. In 1995–96 season, Wanderers were promoted back to the Premier Division as First Division champions, but were relegated back down in the following season. The next two seasons followed a similar pattern as they went back up and came straight back down. In 1998–99, a season they got relegated again, Wanderers won their second FAI Cup, defeating Finn Harps after two replays which earned them a spot in the 1999-2000 UEFA Cup against a Roy Hodgson led Grasshoppers. In 1999–00, the club won promotion back to the Premier Division, and in 2000–01 Wanderers achieved their highest ever league finish of 4th place in the Premier Division. The club could not build on this as they were relegated back down in 2002–03 but were once again promoted in 2004. The club was relegated at the end of the 2009 season, but the demise of Cork City F.C. meant they were reinstated to the Premier Division. Finishing in a promotion/relegation play-off in 2010, the club maintained its Premier status following a penalty shoot-out with Monaghan United. The following season, finishing sixth in the Premier Division, the club gained a place in the all-Ireland Setanta Cup, but early in 2012 conceded home and away matches to Glentoran FC in the first round of the competition (2–4 &