St. Xavier's College was founded with 25 students in the intermediate class.
The College became a First grade College of the Madras University - B.A. Mathematics and History were started.
B.A. Economics was started - Strength of the College crossed 300.
Xavier Block of the Xavier Hostel was built.
Silver Jubilee of the College - Britto Hostel was built.
The second floor of the main building was constructed. B.Sc. Chemistry was started.
B.Sc.Physics was introduced - The Lebeau Auditorium and Library building were completed.
B.Sc. Zoology was started.
The most beautiful structure in the campus, The College Church, lending Gothic, Saracenic and Dravidian architechtures, was blessed.
The College stadium was built.
Additional block for Britto Hostel was built.
The College came under the newly created Madurai Kamaraj University - The total strength rose to 1000.
B.A. English Literature and B.A. Tamil Literature and B.Com were started.
Two science blocks were constructed by adding extensions to the main building.
B.Sc. Botany and M.Sc.Mathematics were started.
The strength of the College crossed 2000. M.A. Tamil was started.
The much delayed Golden Jubilee was celebrated modestly.
The Department of Tamil became a Research Department.
Entomology Research Unit was founded.
M.Sc. Botany and M.Phil. Tamil were started.The College completed 60 years of fruitful service.
Centre for Biodiversity and Biotechnology (CBB) was founded.
The Department of Zoology became a Research Department.
B.Sc. Computer Science and M.Phil. Mathematics and M.Phil. Zoology were started.
The College became an Autonomous Institution. M.A. Folklore was started and the Folklore Resources and Research Centre (FRRC) was founded.
M.Com. was started.
The College was affliated to the newly created Manonmaniam Sundaranar University, Nellai, and was the only men's college of the University that was autonomous.
PGDCA course was started. University review committee visited the College for the extension of Autonomy.
The Department of Folklore was recognized as a Researh Department.
The Department of Botany became a Researh Department. STAND, the out-reach program was made integral to graduation. University review committee visited the College for the extension of autonomy.
The Platinum Jubilee Block was completed. M.Sc. Computer Science was started.
Campus Diversity Initiative programme was introduced. UGC review committee visited the College for the extension of Autonomy.
Diversified Curriculum and B.Com. Vocationalization in Computer Applications were launched. Centre for Aquaculture Research and Extension (CARE) was founded.
Platinum Tournaments were started.
B.Sc. Computer Science and B.Com. evening courses were started. Platinum Jubilee was celebrated. Aquatic Biodiversity Centre was founded. Crop Protection Research Centre was founded. University review committee visited the (Mid-Term) College for the extension of Autonomy.
The College was Nationally Assessed and Accredited with Five Stars by NAAC. MCA was started. Centre for Aquafeed and Nutrition (CAFeN) was founded.UGC Review Committee visited the College for the extension of Autonomy.
Fr. K. A. Soosai Memorial Block was inaugurated. Library Automation was completed. Plant Molecular Biology Research Unit was founded.
The U.G. Course in B. Sc. Botany was renamed as B.Sc.Plant Biology and Plant Biotechnology. Choice based Credit System for UG was started. New Pavilion was erected in the stadium. 450th Anniversary of the Patron was celebrated. Vocationalisation in Plant Biotechnology was launched.
M.Sc. Chemistry and B.A. Tamil were started. Choice-based Credit System for PG courses was introduced. State review committee visited the College for granting extension. The Department of Maths became researsh department.
30 % of the seats in B.A. English, Economics, B.Sc. Zoology and Plant Biology and Plant Biotechnology courses were offered for girls.
UGC awarded the status of College with Potential for Excellence.
The College was re-accredited at Grade A Level.
Bar Coding System was introduced in the Library.
B.B.A. and M.A. English Literature courses were started.
The UGC review committee visited the College for the extension of Autonomy.
M.Sc. Physics and M.Phil. PBBT were started.
B.Com. Corporate Secretaryship and M.Phil Commerce were started.
30% of the seats were offered for girls in all UG aided courses.
Arrupe Academy for Vocational Education (AAVE) was started to offer skill-based job oriented Diploma courses.
Entrepreneurial Development and Research Centre (ED &RC) was founded.
National Testing Service - Regional field unit was started.
M.A. Social Work and B.Sc. Visual Communication were started.
Dept of Computer Science is recognized as a research centre.
Golden Jubilee of the Church is celebrated.
St. Joseph's Pathology Lab was started the by Alumni Association.
Cooperative Store was started.
Physics and Commerce departments became research departments.
M.A. Economics and B.A. English Literature (Additional Section, SF) were started.
Chemistry and English departments were recognized as research departments.
Mother Teresa Women's Hostel was inaugurated.
NAAC Peer Team visited the college for the third cycle of Assessment and Accrediation.
The College was reaccredited with a CGPA of 3.50 at "A" Grade valid from 10.03.2012.
MBA Block was constructed and the course was started.
Flood Lighting of Basket Ball and Volley Ball Courts was done.
M.Phil Computer Science and B.Sc Mathematics (Additional Section, SF) were started.
Autonomy review was conducted by the UGC and extension was granted.
Crop Protection Research Centre (CPRC) was recognized by the M.S. University.
DBT selected our college under Star College Scheme.
Centre for Women's Studies was established.
A new academic matrix with Schools and Centres of excellence was introduced.
M.Phil. English, M.Sc. Maths (SF) and B.Com. (Additional Section, SF) were started. Department of Economics was
recognized as a research department.
XIBA was recognised as a research Centre.
B.Sc., Physics (SF) and B.C.A. (SF) were started. Xavier Research Foundation was started.
NAAC Peer Team visited the college for the IV cycle of Assessment and Accrediation.
The College was Accredited with a CGPA of 3.66 at "A++" Grade valid from 09.09.2019.