The incident took place on 13 April 1919 at 1730 hrs (05.30 p.m.)
The crowd had gathered at Jallianwala Bagh in Amritsar to protest the arrest of pro-independence leaders Dr. Saifudding Kitchlew and Dr. Satyapal.
Brigadier REH Dyer surrounded the protestors with soldiers of Gorkha Rifles.
Rabindranath Tagore, the first Indian to be honoured with a Nobel Prize, renounced his knighthood in protest.
Michael O'Dwyer was the Lt Governor of Punjab.
A commission of inquiry headed by Lord William Hunter was appointed to look into the circumstances leading to the incident.
Michael O'Dwyer was assassinated by Udham Singh on 13 March 1940.
A memorial, designed by American architect Benjamin Polk, was built on the site and inaugurated by President of India Rajendra Prasad on 13 April 1961, in the presence of Jawaharlal Nehru.
