December 2-3, 1984: Poisonous gas leak from Union Carbide’s pesticides factory occurs at midnight December 3rd, 1984.

December 3, 1984: First Information Report (FIR) on the disaster filed at Hanumangunj police station, Bhopal.

December 7, 1984: Former Union Carbide Corporation (UCC) CEO, Warren Anderson and nine other executives are charged in the Indian courts. While visiting the Bhopal factory, Anderson is arrested. Shortly afterwards he is released on a bail of 25,000 Rupees (approximately $500 at the time) after promising that he would appear in the Indian courts to face the charges against him.