| 2017 | The Student Diversity Center (SDC) was established by consolidating the ICC(Intercultural Communication Center), the Office for Students with Disabilities, and the Gender and Sexuality Center (GS Center) into a single organization. |
| 2017 | “The Waseda University Declaration on the Promotion of Diversity” was officially announced by Waseda University. |
| 2018 | SDC hosted an event titled “The Human Library.” |
| 2023 | The Office for Students with Disabilities was renamed the Accessibility Resource Center (ARC). |
| 2024 | ICC hosted an event titled “The Human Library.” |
| 2024 | GS Center established a new office in the Student Center (Building 30) on the Toyama Campus. |
| 2025 | The Student Counseling Room was transferred from the Health Support Center to SDC and renamed the Student Counseling Center (SCC). |
| 2025 | SDC held an event titled “Waseda Diversity Months.” |