Brigham Young changes the ranking in the Quorum of the Twelve and demotes Orson Hyde and Orson Pratt beneath John Taylor for the first time in nearly thirty-seven years. This makes Taylor the senior-ranking apostle after Young. This action also releases Hyde as president of the Quorum of the Twelve, an office to which he had been publicly sustained since 27 Dec. 1847. However, because of their mutual dislike Young declines to sustain Taylor in Hyde's former office either privately or publicly.
[The Mormon Hierarchy - Extensions of Power by D. Michael Quinn, [New Mormon History database ( http://bit.ly/NMHdatabase )]]