| 1844, February 1 | Born at Ashfield, MA |
| 1862-1863 | Williston Seminary, Easthampton, MA |
| 1863-1867 | Williams College (A.B. 1867, A.M. 1870) |
| 1867-1869 | Union Theological Seminary, New York City |
| 1869-1870 | Germany |
| 1870-1872 | New York City |
| 1872-1876 | Antioch College |
| 1876-1878 | Harvard University (Ph.D. 1878) |
| 1878-1880 | Germany |
| 1880-1881 | Lecturer at Harvard & Williams |
| 1881 | Publication of Aspects of German Culture (Boston: James R. Osgood) |
| 1882-1888 | Lecturer & Professor of Psychology & Pedagogy, Johns Hopkins University |
| 1888-1920 | President & Professor of Psychology, Clark University |
| 1904 | Publication of Adolescence (New York: D. Appleton, 2 volumes) |
| 1911 | Publication of Educational Problems (New York: D. Appleton, 2 volumes) |
| 1917 | Publication of Jesus the Christ in the Light of Psychology (New York: Doubleday, Page, 2 volumes) |
| 1920-1924 | President Emeritus, Clark University |
| 1920 | Publication of Morale (New York: D. Appleton) & Recreations of a Psychologist (New York: D. Appleton) |
| 1922 | Publication of Senescence: The Last Half of Life (New York: D. Appleton) |
| 1923 | Publication of Life and Confessions of a Psychologist (New York: D. Appleton) |
| 1924, April 24 | Died at Worcester, MA, Buried at Ashfield |
| 1972 | Publication of G. Stanley Hall: The Psychologist as Prophet, by Dorothy Ross (Chicago: University of Chicago Press) |