 Complete the following phrase:  The period from 1986, when Alex Ferguson was appointed as Manchester United manager, to 2013, when he announced his retirement from football, was the most successful in the clubs history. Ferguson joined the club from Aberdeen on the same day that Ron Atkinson was dismissed, and guided the club to an 11th-place finish in the league. Despite a second-place finish in 198788, the club was back in 11th place the following season. Reportedly on the verge of being dismissed, victory over Crystal Palace in the 