| * | November | Glover family descends on Boston for six months. Rudiments and Rules of Divine Science published. |
| * | December | Moves to 385 Commonwealth Avenue, Boston. |
| 1888 | March | Unity of Good and Unreality of Evil published. |
| * | June 12 | Defection of Boston students. |
| * | June 14 | Speech at Central Music Hall, Chicago. |
| * | August | Visit to New Hampshire. |
| * | November 5 | Ebenezer J. Foster adopted as son. |
| 1889 | February | Joshua F. Bailey becomes editor of Journal. |
| * | February 15 | Address at Steinway Hall, New York. |
| * | May 23 | Leaves Boston for Barre, Vermont. |
| * | May 28 | Resigns pastorate of Boston church. |
| * | June | Gives Journal to National Christian Scientist Association. Moves to 62 North State Street, Concord, New Hampshire. |
| * | September 23 | Christian Scientist Association dissolved. |
| * | October 29 | Massachusetts Metaphysical College dissolved. |
| * | December 2 | Church formally disorganized. |
| 1890 | May 28 | National Christian Scientist Association adjourns for three years. |
| * | June–December | Climax of work on major new revision of textbook. |
| 1891 | January | Landmark fiftieth edition of Science and Health published. |
