| 1887 |
Dr. Enryo Inoue founds private school Tetsugakukan (forerunner of Toyo University) on the grounds of Rinsho-in Temple in Takioka, Hongo |
| 1903 |
Name Testugakukan changed to Private University Testugakukan. |
| 1904 |
Completion of Testugaku-do campus (donated to Tokyo Prefecture in 1944). |
| 1906 |
Name changed to Toyo University. |
| 1916 |
Enrollment of women (one of the first co-ed schools). |
| 1919 |
Death of founder Dr. Enryo Inoue in Dalian, China. |
| 1928 |
Toyo University sanctioned under the University Establishment Law. |
| 1949 |
Restructured as New University under National School Establishment Law; Undergraduate School of Literature established. |
| 1950 |
Undergraduate School of Economics and junior college established. |
| 1952 |
Graduate School of Literature founded. |
| 1956 |
Undergraduate School of Law established. |
| 1959 |
Undergraduate School of Sociology established. |
| 1961 |
Opening of Kawagoe Campus; Undergraduate School of Engineering established. |
| 1964 |
Correspondence courses established. |
| 1966 |
Undergraduate School of Business Administration established. |
| 1977 |
Opening of Asaka Campus. |
| 1987 |
Celebration of 100th Anniversary. |
| 1990 |
Founding of Inoue Enryo Memorial Center. |
| 1992 |
Completion of Hakusan Campus Building No. 1. |
| 1994 |
Initiation of academic calendar beginning in October; completion of Hakusan Campus Buildings No. 2 and No. 3. |
| 1996 |
Bio-Nano Electronics Research Center established. |
| 1997 |
Opening of Itakura Campus. Faculties of Regional Development Studies, Life Sciences established. |
| 1998 |
Remote lecture system "Space Collaboration System" and information network system "ToyoNet" implemented. |
| 2001 |
Completion of Hakusan Campus Building No. 4 and Itakura Campus Building No. 3. |
| 2002 |
Completion of Hakusan Campus Hosui-no-Mori Park, Kawagoe Campus Building No. 1 and Library. |
| 2003 |
Completion of Hakusan Campus Enryo Inoue Memorial Building and Kawagoe Campus Building No. 2. |
| 2004 |
Professional Graduate School established. |
| 2005 |
Completion of Hakusan Campus Building No. 6. Implementation of unified education system among 5 liberal arts faculties. Undergraduate School of Human Life Design established on Asaka Campus. Completion of Inoue Enryo Memorial Museum. |
| 2006 |
Second Hakusan Campus opened. |
| 2009 |
Undergraduate School of Engineering was reorganized into Undergraduate School of Science and Engineering.
Undergraduate School of Information Science and Arts established at Kawagoe Campus.
Undergraduate School of Regional Development Studies moved to Second Hakusan Campus.
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