Correct Answer: (c) April 13, 1919
Solution:Jallianwala Bagh Massacre or Amritsar massacre was an important incident in the history of the Indian Freedom Movement during the British rule. On April 13, 1919, the infamous Jallianwala Bagh incident took place. On that day, a large crowd gathered in the enclosed ground of Jallianwala Bagh to protest against the Government’s new repressive measures and to protest against the arrest of two famous leaders of Punjab, Dr. Saifuddin Kitchlew and Dr. Satyapal. Others had come to attend the annual Baisakhi fair. Being outside the city, many villagers were unaware of the martial law that had been imposed. Dyer entered the area, blocked the exit points, and opened fire on the crowd, killing thousands of people.