| 1842. | January 11. Born in New York. |
| 1857-58. | At School in Boulogne. |
| 1859-60. | In Geneva. |
| 1860-61. | Studied painting under William M. Hunt in Newport. |
| 1861. | Entered the Lawrence Scientific School. |
| 1863. | Entered the Harvard Medical School. |
| 1865-66. | Assistant under Louis Agassiz on the Amazon. |
| 1867-68. | Studied medicine in Germany. |
| 1869. | M.D. Harvard. |
| 1873-76. | Instructor in Anatomy and Physiology in Harvard College. |
| 1875. | Began to give instruction in Psychology. |
| 1876. | Assistant Professor of Physiology. |
| 1878. | Married. Undertook to write a treatise on Psychology. |
| 1880. | Assistant Professor of Philosophy. |
| 1882-83. | Spent several months visiting European universities and colleagues. |
| 1885. | Professor of Philosophy. (Between 1889 and 1897 his title was Professor of Psychology.) |
| 1890. | "Principles of Psychology" appeared. |
| 1892-93. | European travel. |
| 1897. | Published "The Will to Believe and other Essays on Popular Philosophy." |
| 1899. | Published "Talks to Teachers," etc. |
| 1899-1902. | Broke down in health. Two years in Europe. |
| 1901-1902. | Gifford Lectures. "The Varieties of Religious Experience." |
| 1906. | Acting Professor for half-term at Stanford University. (Interrupted by San Francisco earthquake.) |
| 1906. | Lowell Institute lectures, subsequently published as "Pragmatism." |
| 1907. | Resigned all active duties at Harvard. |
| 1908. | Hibbert lectures at Manchester College, Oxford; subsequently published as "A Pluralistic Universe." |
| 1910. | August 26. Died at Chocorua, N.H. |
