Question

what did jallianwala bagh massacre occurred

Answer 1

The Jallianwala Bagh massacre, also known as the Amritsar massacre, took place on 13 April 1919 when troops of the British Indian Army under the command of Colonel Reginald Dyer fired rifles into a crowd of Indians, who had gathered in Jallianwala Bagh, Amritsar, Punjab.

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Answer 2

the Jallianwala bagh incident occurred in the Amritsar in 13 april 1919.
number of the Indians were killed by the British army troops