| 1877 |
Foundation of the University of Tokyo, composed of four faculties: Law, Science, Letters and Medicine. |
| 1923 |
Most of the university library and its collection were destroyed by fire in the wake of the Great Kanto Earthquake. |
| The League of Nations adopts a resolution supporting the recovery of the library collection. |
| 1924 |
The Rockefeller Foundation donates 4 million yen to the reconstruction of the library. |
| 1928 |
The building currently housing the General Library is completed. |
| 1961 |
The University Librarian , Prof . Kishimoto Hideo presents a plan to reform the University of Tokyo's library system. The project is supported by an 84 million yen grant from the Rockefeller Foundation. |
| Work begins on the compilation of a union catalog of all university library holdings. |
| 1962 |
The first issue of Toshokan no Mado, the University of Tokyo Library bulletin, is published. |
| 1982 |
University Librarian, Prof. Urata Takeo presents a new plan to reform the General Library. |
| 1986 |
Library computerized system is launched. |
| Online Public Access Catalog (OPAC) service starts. |
| 1987 |
Start of the first project to retrospectively convert catalog records of Western materials into digital format. |
| 1992 |
The University of Tokyo joins NACSIS-ILL, an online Interlibrary Loan System set up by the National Center for Science Information Systems. |
| 1993 |
OPAC becomes accessible via the university's computer network (UTnet). |
| 1995 |
Start of a 10-year retrospective conversion project of outstanding library holdings. |
| The University of Tokyo Library System homepage becomes available online. |
| 1997 |
Work starts on the digitization of the Katei Collection (Edo period works of fiction) as part of the Digital Library Project. |
| 1999 |
Establishment of the Information Technology Center, to which a portion of the University of Tokyo Library System is attached. |
| OPAC becomes accessible via any ordinary Web browser. |
| 2000 |
Electronic journal services launched on a trial basis. |
| 2002 |
Inauguration of the Komaba Library. |
| 2004 |
Establishment of the University of Tokyo Library System's Basic Principles , underlining the system's management as a unit. |
| 2005 |
Inauguration of the Kashiwa library. |
| e-DDS service (Electronic Document Delivery System & Services) starts. |
| 2006 |
UT Repository launched. |
| 2007 |
UT Article Search and UT Article Link services introduced. |
| 2008 |
Ceremony for the 80th anniversary of the reconstruction of the General Library was held. |
| 2011 |
MyOPAC service launched. |
| 2013 |
Start of the preparatory work for the new library construction. |
| “Documents Relating to history of the University of Tokyo” is designated as an important cultural property. |
| 2014 |
Establishment of the Uehiro Project for the Asian Research Library (U-PARL). |
| 2017 |
Inauguration of the General Library Annex (Library Plaza) . |
| 2020 |
Asian Research Library Open |
| General Library Grand Open |