1951 - Started a dispensary.
1952 - A hospital with 20 beds, one doctor and two nurses.
1953 - First Theatre blessed by Cardinal Tisserant.
1957 - Installation of X-ray Unit.
1962 - Recognition for ANM course.
1963 - Department of Gynaecology & Obstetrics
1965 - Dental Department.
1966 - Department of Ophthalmology.
1966 - Recognition for General Nurses Training.
1969 - Lab Technicians Training Course (CMAI).
1969 - Department of Paediatrics.
1971 - Recognition for Internship training for Doctors (IMC).
1972 - Department of Histopathology.
1974 - Department of Orthopaedics and Physiotherapy.
1977 - Training of Nurse - Anaesthetist (VHAI)
1985 - Department of ENT
1990 - Recognition of JMH to the National Board Examinations.
1997 - Department of Speech Therapy.
31-12-1997 - Sahrudaya Blood and Eye Society with a mobile Unit.
06-04-1998 - Pain and Palliative Clinic.
07-06-1998 - Super Speciality Departments of Cardiology, Nephrology and Plastic Surgery.
24-07-1998 - Dialysis Unit.
11-02-1999 - Inauguration of Mary Maids.
01-05-1999 - Super Speciality Department of Urology.
09-06-2000 - Super Speciality Department of Neurology.
11-02-2001 - Super Speciality Department of Gastroenterology.
24-06-2001 - Inauguration of KRIPADHARA JMH Drinking water project
26-08-2001 - Inauguration of computerization & Networking of JMH
01-01-2002 - Inauguration of perpetual Adoration Centre.
12-05-2002 - Jubilee Baby Meet about- one lakh people attended.
07-06-2002 - Inauguration of Golden Jubilee Block
27-06-2002 - Inauguration of Diabetic Unit & Endocrinology Unit.
23-11-2002 - Inauguration of Pollution Prevention Plant.
01-01-2003 - Department of Neuro Surgery inaugurated.
21-02-2003 - Inauguration of Medical College.
13-12-2003 - Inauguration of Jubilee Mission College of Nursing.
29-09-2004 - Inauguration of St. Thomas OP. Block.
20-12-2006 - Indian President Sri A.P.J. Abdul Kalam addressed JMMC students.
2009 - permanent recognition for medical college from medical council of India.
2010 - JISHAM (Jubilee Institute of Surgery for hand, Aesthetic & Microsurgery).
2011 - STARR (Sports, Traumatology, Arthritis, Rheumatology, Rehabilitation), Asia Pacific center of Excellence.
2012 - JMCON started PG Courses.
2013 - Laproscopy treatment for uterus cancer first time in Thrissur
July 2013 - MCI Approval for Starting DM in Neurology and Cardiology
December 2013 - Renovation of Radiology Department
January 2015 - Golden Jubilee Celebrations of Jubilee Mission School of Nursing