1898 : The College owes its origin and name to the magnanimous effort of the leading Citizens of Munger town to commemorate Diamond Jubilee of the Queen Victoria …..hence the name “The Diamond Jubilee College”.
: Affiliated to the Calcutta University and prepared students for the First Arts Examination for both Arts and Science subjects.
1919 : The College was affiliated to Patna University up to Intermediate Arts.
1920 : In 1920 the present site of the college covering an area of about 15 acres was acquired and foundation stone was laid on the 18th February, 1921 by Lord Sinha, the then Governor of Bihar and Orissa. (The Main block and Tutorial block).
1925 : The present Arts and Commerce Block was designed by Mr. E.H. Johnston, the then Collector of Munger, on the model of an English Public School. It was inaugurated in 1925 from the aid provided by the Excellency Sir Henry Wheelar.
1946 : Degree classes started in all leading subjects.
: Rani Parmeshwari Devi, wife of Late Raja Deoki Nandan Prasad Singh of Munger, donated Rs. 1,00,000/= (One lac) to the college, and in accordance with her wish the name of her husband was added.
1948 : The college was renamed R.D. & D.J. College (Raja Deoki Nandan and Diamond Jubilee College).
1952 : The college came under Bihar University.
: The college obtained affiliation in B.Com. and I.Sc. classes.
1957 : Boys and Girls Common Room constructed.
1960 : The college celebrated its own Diamond Jubilee and the distinguished visitor was the First President of India, Dr. Rajendra Prasad.
: College came under T.M. Bhagalpur University.
1964 : R.D. and D.J. College became a constituent unit of Bhagalpur University.
2002 : Centenary Celebration held (Governor of Nagaland, S.K. Dutta was the chief guest).
2012 : The State Govt. awarded “The Centre of Excellence” to the college.