History
1974
- Aug. 1, 1974
- The Planning Office for the Establishment of a National Medical School was set up at Oita University.

1976
- May. 8, 1976
- The above was renamed the Planning Office for the Establishment of Oita University Oita Medical University.
- Oct. 1, 1976
- Oita Medical University established.
1978
- Mar. 3.4, 1978
- First Entrance Examinations administered.
- Apr. 12, 1978
- First University entrance ceremony.
- Jun. 1, 1978
- University Inauguration ceremony.
- University Library Opened.



1979
- Apr. 1, 1979
- The Planning Office for the Creation of a University Hospital established.

1981
- Mar. 19, 1981
- First memorial service for dissected bodies and unveiling of the monument.
- Apr. 1, 1981
- University Hospital established.
- Oct. 1, 1981
- University Hospital opened. (321 beds)
- Oct. 19, 1981
- Clinical practice in the University Hospital started.



1982
- Nov. 25, 1982
- Number of beds reached 445.
1983
- May. 1, 1983
- Number of beds reached 604.
1984
- Mar. 24, 1984
- First graduation ceremony.
- Apr. 12, 1984
- Graduate School (Doctor's Course) established.
- Apr. 28, 1984
- First Graduate School entrance ceremony.

1985
- Apr. 22, 1985
- Unveiling ceremony of the cenotaph for animals sacrificed.
1987
- Apr. 1, 1987
- Resarch Laboratory Center established.
1988
- Mar. 18, 1988
- First graduation ceremony for Graduate School.
1989
- Jun. 28, 1989
- Emegency Center established.
1990
- Jun. 8, 1990
- Laboratory Animal Research Center established.
1992
- Apr. 10, 1992
- Intensive Care Unit established.

1993
- Apr. 1, 1993
- Blood Supply Center established.

1994
- Mar. 31, 1994
- Designated as AIDS treatment core base hospital.
- Apr. 1, 1994
- School of Nursing established.
- Apr. 22, 1994
- First entrance ceremony for School of Nursing.
- Nov. 1, 1994
- The University Hospital received certification as a Special Functioning Hospital.


1996
- Apr. 1, 1996
- Health Care Center established.
1998
- Mar. 24, 1998
- First graduation ceremony for School of Nursing.
- Apr. 1, 1998
- Master's degree program for School of Nursing established.
- Pathology Center established.
- Apr. 22, 1998
- First entrance ceremony for Master's degree program for School of Nursing.
- Oct. 3, 1998
- The Twentieth Anniversary ceremony of the University.
1999
- Apr. 1, 1999
- Hospital Informatics Center established.

2000
- Mar. 23, 2000
- First graduation ceremony for Master's degree program for School of Nursing.
- Apr. 1, 2000
- University Hospital General Medicine Center established.
2001
- Apr. 1, 2001
- Clinical Pharmacology Center and medicine office (Division of Clinical Trials) established.
- Hospital Infection Control Center was established.
- Medical Engineering Center was established.
- 10月9日
- Oct. 9, 2001 First entrance ceremony for transfer students already holding a bachelor's degree.

2002
- Apr. 1, 2002
- Reorganization of medical departments into 8 major departments.
- Rehabilitation Center established.
- Coronary Care Unit was established.
- Artificial Dialysis Center was established.
- Medical Safety Management Center was established.

2003
- Apr. 1, 2003
- Master's degree program for School of Medical Science established.
- Institute of Scientific Research established.
- Regional Medical Liaison Center established.
- Clinical Training Institute for Interns was established.
- Maternity and Perinatal Care Center was established.
- Oct. 1, 2003
- The Faculty of Medicine at Oita University was established upon the merger of Oita University and Oita Medical University.

2004
- Apr. 1, 2004
- Oita University was incorporated as a national university.
- Aug. 23, 2004
- The University Hospital became an authorized hospital of Japan Council for Quality Health Care.
2005
- Apr. 1, 2005
- The University Hospital Medical Education Center established.
- Research Center for Applied Medical Engineering was establishied.
2006
- Oct. 1, 2006
- Medical Technology Department was established.
2007
- July. 2, 2007
- designated as core clinical research center by MHLW.
- Oct. 17, 2007
- Cancer Center was established.
2008
- Feb. 8, 2008
- designated as core prefectural hospital for collaborative cancer treatment.
- Apr. 1, 2008
- General Clinical Research Center was established.
- Apr. 21, 2008
- Designated as Liver disease care liaison hospital.
- May. 1, 2008
- Emergency and Critical Care Center established.
- July. 1, 2008
- Reorganization of medical departments into 47 departments.
- Nov. 1, 2008
- Liver Disease Consultation Unit was established.
- Nov. 15, 2008
- The Thirtieth Anniversary ceremony of the Faculty of Medicine.

2009
- Apr. 1, 2009
- Clinical Nutrition Office was established.
- Oct. 1, 2009
- Reorganization of Institute of Scientific Research and Research Center for Applied Medical Engineering into Research Promotion Project.
2010
- Feb. 1, 2010
- Center for Community Medicine was established.
- Apr. 1, 2010
- Department of Medical Oncology was established.
- Jun. 9, 2010
- Clinical Skills Lab. Center was established.
- Jun. 9, 2010
- Imaging Center for Basic Medicine was established.
- Nov. 10, 2010
- Department Bio Laboratory Center was established.
- Dec. 9, 2010
- Advanced Molecular Imaging Center was established.
2011
- Oct. 15, 2011
- The Thirtieth Anniversary ceremony of the University Hospital.
2012
- Oct. 1, 2012
- Critical Care Center Build was opened.
- Oct. 1, 2012
- Number of beds reached 618.


2013
- Apr. 1, 2013
- Reorganization of medical departments. (internal medicine and surgery)
- Reorganization of nursing departments.
- Anti-Disaster Measures Room was established.
- Apr. 29, 2013
- New Wards was opened.
- Oct. 1, 2013
- Designated as Advanced Trauma, Emergency and Critical Care Center.

2014
- Feb. 1, 2014
- Genetic Counselling Office was established.
- Mar. 26, 2014
- Designated as Disaster base hospital (Community).
- Dec. 24, 2014
- Career Path Support Center for Medical Staff was established.
2015
- Feb. 1, 2015
- Center for Propulsion of Advanced Medicine for Dementia was established.
- Apr. 1, 2015
- Clinical Engineering Research Center was established.
2016
- Apr. 1, 2016
- Reorganization of medical departments into 47 departments.
- Department of Medical Safety Management was established.
- Oct. 1, 2016
- Comprehensive Patient Support Center was established.
2017
- Feb. 1, 2017
- Reorganization of medical departments into 49 departments.
- Department of General Medicine was established.
- Department of Comprehensive surgery for community medicine was established.
- Apr. 1, 2017
- Quality Management Office was established.
2018
- Apr. 1, 2018
- Institute for Global Education and Advanced Research (Global Oita Medical Advanced Research Center for Health)was established.
2019
- Apr. 1, 2019
-
Reorganization of medical departments into 48 departments.
Reorganization of Department of Human Anatomy and Department of Molecular Anatomy into Department of Anatomy.
- Dec. 1, 2019
- Nursing Career Development Support Center was established.
2020
- Oct. 1, 2020
- Reproduction Center was established.
- Nov. 1, 2020
- Diagnostic Laboratory for Pathogen Genomes( DLPGs) was established.
2021
- Apr. 1, 2021
-
General Center Pertaining to Specified Medical Acts for Nurse was established.
Designated as Core disaster base hospital.
- Ocr. 1, 2021
-
Research Center for GROBAL and LOCAL Infectious Diseases (RCGLID) was established.
- Ocr. 2, 2021
-
The Fortieth Anniversary ceremony of the University Hospital.
2022
- Aug. 1, 2022
- Minimally Invasive Surgery Center was established.
2023
- Apr. 1, 2023
-
Obesity and Diabetes Advanced Treatment Center was established.
Department of Advanced Medical Sciences was established.
2024
- Apr. 1, 2024
- Disaster Management Center was established.