| 1580 |
Iidaka Danrin, an educational institution for priests of Nichiren Buddhism, was founded in Shimousa (Yokaichiba, Chiba). |
| 1872 |
Iidaka Danrin was abolished, and Shukyoin was established in Nihon-enoki (Minato Ward, Tokyo). |
| 1904 |
Nichiren Shu Daigakurin was established in Osaki (Shinagawa Ward, Tokyo) pursuant to the Specialized School Order. |
| 1907 |
Nichiren Shu Daigakurin was renamed Nichiren Shu University. |
| 1924 |
The Faculty of Letters, Preliminary course, and Literary Research Department were established pursuant to the University Order. |
| 1947 |
Rissho Junior High School was established. The Department of Geography was added to the Faculty of Letters. |
| 1948 |
Rissho High School was established. |
| 1949 |
The now-renamed Rissho University was restructured pursuant to the School Education Law. The Faculty of Buddhist Studies and a new Faculty of Letters were established based on this law. |
| 1950 |
The Faculty of Economics and a junior college were established. The Department of English Literature was added to the Faculty of Letters. |
| 1951 |
Rissho University became Rissho Daigaku Gakuen when it converted from being an incorporated foundation to an incorporated school pursuant to the Private School Law. The Literary Research Department was established. |
| 1967 |
The Faculty of Business Administration was established. The Kumagaya Campus opened. |
| 1981 |
The Faculty of Law was established. |
| 1988 |
The Economics Research Department was established. |
| 1992 |
The renovation of the Osaki Campus, a 120th anniversary project, was completed. |
| 1994 |
The Law Research Department was established. |
| 1996 |
The Faculty of Social Welfare was established. |
| 1998 |
The Business Administration Research Department and the Faculty of Geo-Environmental Science were established. |
| 2000 |
The Social Welfare Research Department and Geo-Environmental Science Research Department were added to the graduate school. |
| 2002 |
The university celebrated its 130th anniversary. The Faculty of Psychology was established. |
| 2004 |
The Psychology Research Department was established. |
| 2009 |
The renovation of the Kumagaya Campus was completed. |
| 2012 |
The university celeblated its 140th anniversary. |