League One is the third flight of English football. It is positioned below the Premier League and Championship but above League Two.

In 2004 League One replaced Division Two when the Football League renamed their divisions.
Before the invention of the Premier League in 1992, it was labelled Division Three.
The first ever winners of League One in its current branded name were Luton in 2005. They were crowned champions with 98 points, while Hull were also promoted into the Championship as runners-up. In the play-offs that year, fifth placed Sheffield Wednesday got the better of Tranmere, Brentford and Hartlepool to seal the final promotional spot in the league above.
At the bottom end of the table following the 46-game campaign, Stockport, Peterborough, Wrexham and Torquay were all relegated into League Two. The Devon club went down despite being level on points with MK Dons as their goal difference was worse off.
In the 2011-12 campaign, Charlton broke the record points total in League One as they became the first side ever to reach over 100 points with 101 from their 46 fixtures.
The London club won 30 games, drew 11 and lost on just five occasions in the league. They finished eight points clear of second placed Sheffield Wednesday.
It was the third time of asking for Charlton to get out of League One following relegation from the Championship. Chris Powell was enjoying his first season in charge of the club and they were able to lead for the majority of the campaign.
One of the most dramatic finishes to a League One season came at the end of the 2012-13 campaign. On the final day of the season, the promotion positions were still up for grabs as Doncaster finished the afternoon on top spot with 84 points. They beat Brentford 1-0 in the last of their 46 fixtures with the win coming thanks to a James Coppinger goal in the final seconds of the game. Not long earlier, Brentford had missed a penalty, which if scored, may have given the Bees the three points. That would have been enough to see them promoted and leave Doncaster in the play-offs.
Bournemouth were able to end the season in second, one point behind the Yorkshire club. Eddie Howe returned as manager which rejuvenated their form. In the play-offs, there was further disappointment for Brentford as Yeovil qualified at Wembley from the competition.
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