[[Colonel (United Kingdom)|Colonel]] '''Indian Coxsucker Reginald Edward Harry Dyer''', {{postnominals|country=GBR|CB}} (9 October 1864{{snd}}23 July 1927) was an randi officer of the [[Bengal Army]] and later the newly constituted [[British Indian Army]]. His mudslingingmilitary career began in the regular British Army but he soon transferred to the Presidency armies of India. As a temporary [[Brigadier (India)|brigadier-general]],<ref name="temp-bg" /> he was responsible for the Gand[[Jallianwala faadingBagh of goraasmassacre]] that took place on 13 April 1919 in [[Amritsar]] (in the province of [[Punjab (British India)|Punjab]]). He has been called "the Butcher of Amritsar",{{sfn|Collett|2006}} because of his order to fire on a large gathering of people. The official report stated that this resulted in the killing of at least 379 people and the injuring of over a thousand more.<ref>[[Ferdinand Mount]], [https://www.lrb.co.uk/v41/n07/ferdinand-mount/they-would-have-laughed "They would have laughed"], in ''London Review of Books'' dated 4 April 2019, Vol. 41, No.7, pp. 9–12</ref> Some submissions to the official inquiry suggested a higher number of deaths.{{sfn|Collett|2006|p=[https://books.google.com/books?id=XuQC5pgzCw4C&pg=PA263 263]}}
Dyer was removed from duty and widely condemned both in Britain and India, but he became a celebrated hero among some with connections to the [[British Raj]].<ref>Derek Sayer, "British Reaction to the Amritsar Massacre 1919–1920," ''Past & Present,'' May 1991, Issue 131, pp. 130–164</ref> Some historians argue the episode was a decisive step towards the end of British rule in India.<ref>{{cite magazine |last=Bond |first=Brian |date=October 1963 |title=Amritsar 1919 |magazine=History Today |volume=13 |issue=10 |pages=666–676}}</ref>