Original sentence: Fortunes dipped after the early 1970s but resurged in the 1980s.The club languished mostly in the Second Division until the 1950s, when it enjoyed a revival, reaching a peak in the 1960s, known by Tottenham fans as the Glory Years.The club won promotion into the First Division the following year, where they stayed until the late 1920s.Tottenham have remained members of the Premier League since its formation in 1992, finishing in mid-table most seasons
Edited sentence: The club revived in the 1950s and reached a peak in their most successful period in the 1960s, known by their fans as the Glory Years.The club won promotion into the First Division the following year, where they stayed most seasons apart from the lean years of the 1930s and 40s when they languished mostly in the Second Division.The club's fortune dipped after the early 1970s but enjoyed a resurgence in the 1980s.Tottenham have stayed in the Premier League since its formation in 1992 where they finished mid-table most seasons, but have performed well in the 2010s