| 1964 | NIH Program Grant awarded; continuously funded for 32 years |
| 1964 | Interdepartmental Program in Toxicology at NCSU established |
| 1965 | NIH Training Grant awarded; one of the longest continuously funded NIEHS training grants in the country |
| 1979 | Responsibility for graduate degrees in toxicology awarded (Master of Toxicology, Master of Science, and Doctor of Philosophy) |
| 1979 | First PhD in toxicology granted |
| 1980 | Introduction to Biochemical Toxicology , 1st edition, edited by Ernest Hodgson and Frank Guthrie, published by Elsevier. Now in 5th edition, edited by Robert Smart and Ernest Hodgson, (John Wiley and Sons). |
| 1986 | First toxicology faculty member, Dr. Robert Smart, hired into the Toxicology Program |
| 1987 | A Textbook of Modern Toxicology, edited by Ernest Hodgson and Pat Levi, published by Elsevier. Now in 3rd edition, edited by Ernest Hodgson, published 2004 by John Wiley and Sons. |
| 1988 | Robert Smart is named Director of Graduate Programs |
| 1989 | Dr. Gerald LeBlanc joins faculty |
| 1989 | Department of Toxicology established; founding core faculty include Drs. Walter Dauterman, Ernest Hodgson, Frank Guthrie, Gerald LeBlanc, Ross Leidy, Patricia Levi, Jack Sheets and Robert Smart; founding associate faculty include Drs. K. Adler, A. Aronson, C. Brownie, C.F. Brownie, R. Cattley, J. Cullen, W. Donaldson, D. Grosch, P. Hamilton, H. Hassan, D. Hayne, W. Heck, R. Kuhr, R. Linderman, W. McKenzie, R. Monroe, N. Monteiro-Riviere, D. Moreland, M. Qureshi, J. Riviere, C. Robinette; founding adjunct faculty include: M. Anderson, N. Chernoff, T. Eling, J. Fouts, P. James, J. Goldstein, R. Langenbach, H. Matthews, R. Philpot, B. Schwetz, R Yang |
| 1990 | Degrees awarded to date: PhD: 44, MS: 16; MTOX: 2 |
| 1990 | Dr. Mary Beth Genter joins faculty; Extension program in toxicology established |
| 1992 | Dr. Sharon Meyer joins faculty |
| 1993 | Drs. Damian Shea and Randy Rose join faculty |
| 1994 | Julia Storm joins Extension faculty |
| 1995 | Dr. Stacy Branch joins faculty |
| 1996 | Rob Smart becomes Director of Molecular and Cellular Toxiciology Graduate Study Option |
| 1997 | Dr. Greg Cope joins faculty |
| 1997 | Dr. Gary Winston appointed Department Head |
| 1998 | EPA Cooperative Training in Environmental Sciences Research grant funded |
| 1999 | Dr. Hosni Hassan appointed Interim Department Head |
| 2000 | Degrees awarded to date: PhD: 98, MS: 29; MTOX: 7 |
| 2000 | Graduate study concentrations in Environmental Toxicology and Molecular and Cellular Toxicology offered |
| 2000 | Name changed to Department of Environmental and Molecular Toxicology |
| 2000 | Dr. Patricia McClellan-Green joins faculty |
| 2000 | Groundbreaking of Toxicology Building on Centennial Campus |
| 2001 | Toxicology Building on Centennial Campus opens |
| 2001 | Dr. Yoshi Tsuji joins faculty |
| 2002 | Dr. Damian Shea appointed Department Head |
| 2002 | Drs. Chris Hofelt, Jun Ninomiya-Tsuji and Marjorie Oleksiak join faculty |
| 2003 | Undergraduate minor in environmental toxicology established |
| 2003 | Dr. Andrew Wallace joins faculty |
| 2003 | Dr. Ernest Hodgson, Founding Department Head, retires |
| 2004 | First undergraduate minor in environmental toxicology awarded |
| 2005 | Metabolomics and Proteomics Laboratory established; Dr. Nigel Deighton appointed Director |
| 2005 | Dr. David Buchwalter joins faculty |
| 2007 | Randy L. Rose Memorial Symposium held to honor Rose’s life and contribution to science |
| 2007 | Drs. James Bonner, Seth Kullman and Scott McCulloch join the faculty |
| 2008 | Degrees awarded to date: PhD: 142, MS: 38; MTOX: 25 |
| 2008 | Dr. Gerald LeBlanc appointed Department Head |
| 2008 | Genome Research Laboratory and Metabolomics and Proteomics Laboratory merged to form Genomic Sciences Laboratory; Dr. Nigel Deighton appointed Director |
| 2013 | The College of Sciences (COS) is formed along with the Department of Biological Sciences within COS. Toxicology becomes interdisciplinary graduate program. |
| 2014 | Dr. Emilie Rissman appointed Head of the Department of Biological Sciences |
| 2015 | Dr. James Bonner appointed Director of Graduate Programs |
| 2016 | Dr. Gerald LeBlanc appointed Department Head of Biological Sciences |
| 2018 | Dr. Carolyn Mattingly appointed Interim Department Head of Biological Sciences |
| 2018 | Dr. Seth Kullman appointed Director of Graduate Programs, Toxicology |