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June 1990: Defender David O'Leary earns two championship medals with Arsenal and plays for Ireland at the World Cup in 1990

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August 1993: O'Leary ends his playing career at Leeds and joins the coaching staff on his retirement

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Sept 1996: O'Leary becomes George Graham's assistant and takes over the top job in 1998, advancing to the Uefa Cup semis

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May 2000: O'Leary leads Leeds to Champions League qualification in his first full season in charge

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November 2000: O'Leary spends a British record �18m on West Ham defender Rio Ferdinand

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Mar 2001: The decision to appoint former Man Utd player and coach Brian Kidd is unpopular with fans at Leeds' league form dips

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April 2001: The long-running Bowyer-Woodgate trial does not make O'Leary's job at Elland Road any easier

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May 2001: Leeds make the Champions League semi-finals, before losing to Valencia

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November 2001: O'Leary's spending spree continues, splashing out �13m on Liverpool's Robbie Fowler

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May 2002: Failure to qualify for the Champions League for the second succesive year and massive debt sees O'Leary booted out

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May 2003: After the resignation of Graham Taylor, Aston Villa chairman Doug Ellis appoints O'Leary as the new man in charge