| Date | Event Name |
| 12/3/1790 |
Lord Cornwallis took away the regulation power from Nawab Murshidabad and Sadar Nizamat was removed from Adalat in Calcutta. |
| 12/3/1882 |
Nandalal Bose, great Indian painter and master, was born in Bengal. |
| 12/3/1884 |
Dr. Rajendra Prasad, first President of India, was born in Jeradei village of Bihar. |
| 12/3/1889 |
Khudiram Bose, famous revolutionary and freedom fighter of Muzaffarpur Bomb Case, was born at Habibpur village, West Bengal. |
| 12/3/1948 |
Surendra Pratap Singh, famous journalist and chief editor of Navbharat Times, was born. |
| 12/3/1955 |
In exercise of the powers conferred by the provision in Article 343 (2) of the constitution, orders were issued for the use of Hindi language in addition to the English language for specific purposes of the union. |
| 12/3/1956 |
Manik Bandopadhyay, modern Bengali novelist and story writer, passed away. |
| 12/3/1970 |
Rajendra Agriculture University established at Bihar. |
| 12/3/1971 |
During the ensuing melee, three of the Sabres were shot down while all Gnats returning to base were unscathed. The first blood of a new Indo-Pakistan air war had been drawn. Other encounters were to follow over the next 10 days within both Indian and Pakistani airspace, before a full-scale war began. |
| 12/3/1971 |
Hostilities broke out between India and Pakistan. On the very night that hostilities commenced, with Pakistan bombing several air fields, IN Ships 'Rajput' and 'Akshay' were leaving Vishakapatnam harbour when they obtained a sonar contact. They fired several depth charges and proceeded on their mission when there was no further evidence of a submarine's presence. Thereafter, a loud explosion of rattling windows panes off the Vishakapatnam beach was heard . The Pakistani submarine 'Ghazi' (a Tench class submarine obtained from the USA in 1964) had come to grief. |
| 12/3/1971 |
India recognises Bangladesh. Indian army marches into Bangladesh and joins hands with Mukti Bahini. Pakistani Army in Bangladesh surrenders to the Indian Commander. |
| 12/3/1971 |
Pakistan took the initiative of striking the airfields both in the East and the West. While the IAF carried out retaliatory air strikes in the West and shot the Pakistan Air Force (PAP) out of the skies. |
| 12/3/1971 |
Indo-Pakistan war begins. On the same day National Emergency was declared by the President of India due to war between both the countries. |
| 12/3/1971 |
Third Pakistani aggression begins with air attacks on airports in the western sector; emergency declared. |
| 12/3/1979 |
Dhyan Chand, famous master of Hockey and Padma Bhushan awardee, passed away. |
| 12/3/1984 |
3,000 people died and more than 50,000 people were badly affected when they inhaled poisonous toxic gas emission from the Union Carbide plant. This event is better known as ""the Bhopal Gas Tragedy"", the biggest industrial disaster that occured in India. |
| 12/3/1989 |
Mulayam Singh Yadav named UP CM. |
| 12/3/1991 |
An all-party delegation from Tamil Nadu led by CM Jayalalita urges the PM to gazette the interim award on Cauvery. |
| 12/3/1991 |
Lok Sabha question hour telecast at 7.15 a.m for the first time . |
| 12/3/1991 |
Satinder Kumar Lamba appointed India's Ambassador to Pakistan. |
| 12/3/1992 |
Indian, UN Operations in Mozambique begins (ONUMOZ - Dec 92 to Oct 94) |
| 12/3/1993 |
Bahadur Prasad wins silver in 1500 m in Asian Track and Field meet in Manila. |
| 12/3/1998 |
India and Portugal sign an agreement in New Delhi for setting up a joint committee to enhance cooperation in science and technology. |
| 12/3/1998 |
Maganbhai Kasundra, (50), Gujarat Minister, dies following a heart attack at his residence in Gandhinagar. |
| 12/3/1999 |
Bhopal gas victims take out rallies to mark the 15th anniversary of the tragedy. |
