| Year | Month | History |
| 1897 | Jun | Kyoto Imperial University established; The Kyoto Imperial University Library set up |
| 1899 | Dec | Reading Rooms of the library opened (December 11: founding day of the Main Library) |
| 1908 | Dec | The regulation of the University Library Board enacted |
| 1947 | Sep | Renamed to Kyoto University Library |
| 1948 | Feb | 2nd building of the Main Library completed |
| 1961 | Mar | Sixty Years of Kyoto University Library published |
| 1964 | Sep | Library bulletin Seishu started |
| 1983 | Oct | 3rd (current) building of the Main Library completed |
| 1984 | Apr | Computerization of the library service management started |
| 1985 | Jan | The Back Number Center (BNC; storage of back issues of journals) opened |
| Apr | The Research Room founded at Kyoto University Library (Apr) (reorganized to the R&D Lab in 1996) |
| 1987 | Jun | Joined the National Institute of Informatics Online Cataloging System (NACSIS-CAT) |
| 1990 | Oct | The Online Public Access Catalog (OPAC) started |
| 1992 | Apr | Joined the National Institute of Informatics Inter-Library Loan (NACSIS-ILL) System |
| 1996 | Apr | The Research Room reorganized to the Research and Development Laboratory (R&D Lab) |
| Jun | The Oldest extant copy of Konjaku monogatari-shu (Suzuka-bon) designated a National Treasure |
| 1998 | Jan | The E-Library system launched |
| Apr | The Liberal Arts and General Education Course "Introduction to Information Retrieval" started by the Main Library (Apr) (title changed: 2013-2014 "Introduction to Academic Information Literacy: Information Skills for Library and Web Resources", 2015- "University Library Data Searching") |
| 1999 | Nov | The centenary of the founding of the Main Library celebrated |
| 2000 | Apr | Uji Library established as a branch of the Main Library |
| 2004 | Apr | The Kyoto University Library Network Board founded （the University Library Board reorganized to the Library Network Board and the Main Libraryʼs Steering Committee) |
| 2005 | Apr | The Kyoto University Library Network established |
| 2006 | May | The Inter-campus Delivery Service started |
| Jun | The Kyoto University Research Information Repository KURENAI launched on a trial basis (officially started in Oct) |
| 2007 | Mar | The E-Resources Access Authentication System launched on a trial basis (officially started in Apr) |
| Mar | The Kyoto University Library Network Mission Statement enacted |
| 2008 | Apr | Budget for e-journals formerly managed by each department integrated and centralized into university-wide management |
| May | The Kyoto University Research Information Repository Operational Guidelines enacted |
| 2009 | Jan | A full-time associate professor assigned to the R&D Lab |
| Jan | Study Room 24 set up at the Main Library |
| Jun | The Inter-campus Return Service initiated |
| Dec | The Kyoto University Library Network Future Vision and Strategy approved |
| 2013 | Oct | The Learning Support Desk set up at the Main Library |
| Oct | The Electronic Document Delivery Service (EDDS) launched on a trial basis (officially started in Apr 2014) |
| Apr | The Learning Commons set up at the Main Library |
| 2014 | Jul | The Learning Commons awarded the Japan Design Space Associationʼs Special Award Student Award and ranked among the BEST 100 of the Japan Commercial Environmental Design Associationʼs JCD Design Award 2014 |
| 2015 | Feb | An academic cooperation agreement signed between the Main Library, the Institute for Research in Humanities, Kyoto University, and the Research Institute of Korean Studies, Korea University |
| Mar | The Main Libraryʼs Media Commons and Study Room 24 renovated |
| Apr | The Kyoto University Open Access Policy approved |
| 2016 | Feb | The Kyoto University Library Network Future Vision and Strategy revised |
| Mar | The KURENAI Deposit System launched on a trial basis (officially started in Apr 2017) |
| Apr | The administrative structure of the Main Library reorganized |
| Apr | The Open Access Promotion Project launched as part of the Action Plan for Strategic Priorities (2016-2021) |
| Dec | An academic exchange agreement signed between the Library Network and Taiwanʼs National Central Library |
| Dec | Joined the International Image Interoperability Framework (IIIF) Consortium |
| 2017 | May | Yoshida-South Library designated as an Area-Focus Hub Library |
| Sep | The Kyoto University Rare Materials Digital Archive launched on a trial basis (officially started in Dec) |
| Oct | An agreement on the promotion of collaboration and cooperation through inter-library lending signed between the Main Library and the Kyoto Prefectural Library |
| Nov | A full-time assistant professor assigned to the R&D Lab |
| 2018 | Feb | Katsura Library designated as an Area-Focus Hub Library |
| Apr | The Liberal Arts and General Education Course “Basics of Academic Information Literacy” (intensive lecture) offered by the Library Network |
| Jul | The Kyoto University Rare Materials Digital Archive Fund set up |
| 2019 | Jun | The Kyoto University Research Information Repository Operational Guidelines revised (research data added to the scope of deposit) |
| 2020 | Feb | The Kyoto University Library Network Future Vision and Strategy 2020-2027 approved |
| Mar | An academic cooperation agreement signed between the Library Network, the Kyoto University Museum, the Graduate School of Letters, Kyoto University and Princeton University (US) |
| Apr | Katsura Library opened, integrating five libraries in the Katsura Campus |
| Apr | The Kyoto University Library Network's Open Access Promotion Project was awarded The MEXT Commendation for Science Technology |
| Jun | The Kyoto University Library Network's Open Access Promotion Project was awarded The Japan Association of National University Libraries (JANUL)Award |
| 2023 | Apr | The administrative structure of the Main Library reorganized |
| | May | Establishment of Kyoto University Library Directo's Award |
| | Jun | An Agreement of collaboration and cooperation activities sighned between * three Keihanshin university libraries (* Kyoto Univ, Osaka Univ, Kobe Univ.) |
| Sep | The Kyoto University Library Network YouTube channel opened |
