1843 – Born on September 25th at Mattoon in southeastern Illinois. American geologist and educator who proposed the planetesimal hypothesis.
1866 – His family moved to Beloit, Wisconsin when he was three, and he graduated from Beloit College.
1873 – He joined the Wisconsin Geological Survey.
1887 – Chamberlin served as President of the University of Wisconsin.
1892 – He accepted the Chair of the new Department of Geology, University of Chicago.
1893 – He assembled a hand-picked faculty, including R.A.F. Penrose, Jr. Chamberlin founded and was first editor of the Journal of Geology, which was established as a departmental journal.
1894 – Chamberlin went to Greenland with the Peary Auxiliary Expedition.
– Chamberlin was an original member of the Geological Society of America (GSA), and served as its president.
1918 – He remained at the University of Chicago until his retirement.
1928 – Died on November 15th in Chicago.