| 1876 |
Middlesbrough F.C. founded |
| 1899/1900 |
Joined Football League Division Two |
1901/1902
|
Football League Division Two runners-up
Promoted to Division One
|
| 1903 |
Moved to Ayresome Park |
| 1923/1924 |
Relegated to Division Two |
1926/1927
|
Football League Division Two champions
Promoted to Division One
|
| 1927/1928 |
Relegated to Division Two |
1928/1929
|
Football League Division Two champions
Promoted to Division One
|
| 1953/1954 |
Relegated to Division Two |
| 1965/1966 |
Relegated to Division Three |
1966/1967
|
Football League Division Three runners-up
Promoted to Division Two
|
1973/1974
|
Football League Division Two champions
Promoted to Division One
|
| 1975/1976 |
League Cup semi-finalists |
| 1981/1982 |
Relegated to Division Two |
| 1985/1986 |
Relegated to Division Three |
1986/1987
|
Football League Division Three runners-up
Promoted to Division Two
|
| 1987/1988 |
Promoted via promotion/relegation play-offs |
| 1988/1989 |
Relegated to Division Two |
| 1990/1991 |
Qualified for promotion play-offs (eliminated in semi-final) |
1991/1992
|
Football League Division Two runners-up
Promoted to Division One
League Cup semi-finalists
|
1992/1993
|
Founder member of Premier League
Relegated to Footbal League Division One
|
1994/1995
|
Football League champions
Promoted to Premier League
|
| 1995 |
Moved to the Riverside Stadium |
1996/1997
|
3 points deducted for failing to fulfil fixture at Blackburn
Relegated to Football League Division One
F.A. Cup runners-up
League Cup runners-up
|
1997/1998
|
Football League runners-up
Promoted to F.A. Premier League
League Cup runners-up
|
| 2001/2002 |
F.A. Cup semi-finalists |
| 2003/2004 |
League Cup winners |
2005/2006
|
UEFA Cup runners-up
F.A. Cup semi-finalists
|
| 2008/2009 |
Relegated to the Championship |
