Question: when did the jallianwala bagh tragedy take place
Answer: The Jallianwala Bagh massacre , also known as the Amritsar massacre , took place on 13 April , 1919 when a crowd of non-violent protesters , along with Baishakhi pilgrims , who had gathered in Jallianwala Bagh , Amritsar , Punjab , were fired upon by troops of the British Indian Army under the command of Colonel Reginald Dyer .