Bullet marks, visible on preserved walls, at present-day Jallianwala Bagh.
The Jallianwala Bagh massacre (Amritsar massacre), took place on 13 April 1919 when a crowd of peaceful, unarmed, non-violent protesters comprising of men & women including Baishakhi pilgrims had gathered in Jallianwala Bagh, Amritsar, Punjab. They were fired upon by troops of the British Indian Army under the command of Colonel Reginald Dyer killing 1,500 innocent people.