The Jallianwala Bagh massacre , also known as the Amritsar massacre , took place Process_start on 13 April 1919 when Acting Brigadier-General Reginald Dyer ordered Request troops of the British Indian Army to fire Use_firearm their rifles into a crowd of unarmed civilians in Jallianwala Bagh , Amritsar , Punjab , killing Killing at least 400 , including 41 children , one only six weeks old .

The Jallianwala Bagh massacre , also known as the Amritsar massacre , took place Process_start on 13 April 1919 when Acting Brigadier-General Reginald Dyer ordered Request troops of the British Indian Army to fire Use_firearm their rifles into a crowd of unarmed civilians in Jallianwala Bagh , Amritsar , Punjab , killing Killing at least 400 , including 41 children , one only six weeks old .