The Department of History was established on the 1st day of September, 1978 with the establishments of the college itself. The department was inaugurated by Mr. Bhadreswar Bakatial in 1978 and from 1985 Mrs Jolli Dutta took over the charge to run the department. Now the department has three faculty members viz., Mrs Jolli Dutta, Mr Sanjay Das and Dr Sanjay Sen. In 1987-88 B.A. General Course and in 1998 major course in history was introduced. After that the number of students gradually increased and the results became satisfactory. At present the result is cent percent and most of the students cleared with 1st class every year. Dr Sanjay Sen is the first History Honours Student of Margherita College and He is also the first Ph.D holder of the alumni. In 2019, Lucky Begum obtained 5th position under Dibrugarh University as well as the Topper of the Margherita College. The Department also organize historical field study programme every year. The Department has a library with more than 250 text and reference books to help students in their progress. The Department has published a Magazine named Anvesan every year. The Department has organized a number of departmental seminars and workshops etc. the Department has organized an ICSSR sponsored National Seminar jointly with the Department of Commerce on “Industrial Development in North East India: Past, Present and Future’ on 13th and 14th March, 2020.