13 April 1919 Jallianwala Bagh massacre: British Indian Army troops led by Brigadier-General Reginald Dyer killed approximately 379–1,000 unarmed demonstrators including men and women in Amritsar, India.
Jallianwala Bagh Massacre, article from Wikipedia     https://en.wikipedia.org/wiki/Jallianwala_Bagh_massacre

JALLIANWALA BAGH MASSACRE SPECIAL SONG   - S.P.Balasubrahmanyam ,Suddala Ashok Teja       https://www.youtube.com/watch?v=oQ8E6HWeJyQ
DIN KHOON KE HAMARE   - Sumangala Damodaran       https://www.youtube.com/watch?v=ThxPAAzAuD4
JALLIANWALA BAGH YAAD RAHEGA   - Udbhav Ojha & Pawni Pandey       https://www.youtube.com/watch?v=0WtJxQg_DZM