October 15-17, 1950: Gal Oya experiences a riot against Muslims after the chief Buddhist monk at Deegavapi is shot dead.
September 9, 1957: Political debate over the Padaviya scheme erupts when Sinhalese allottees in the Western Province are unable to arrive owing to their train being cancelled.
August 25, 1963: An attack on attendees of a Ceylon DMK meeting turns into a riot at Bandarawela.
August 8, 1954: A temporary church structure at Matiyalamulla is burned by a Buddhist mob.
July 1, 1954: A clash between perahera marchers and police near the Pattampitiya mosque results in a fatal police firing and a riot against Muslims.
June 9, 1957: Junior Minister of Labour, Housing, and Social Services M. P. de Zoysa is blocked by youths at Jaffna as he attempts to attend a Minority Tamil conference.
June 6, 1957: Education Minister Wijayananda Dahanayake is mobbed by Tamil demonstrators as he visits Sinhalese and Muslims at Kalmunai.
June 1, 1957: A ministerial visit to Mannar turns violent when Federal Party demonstrators arrive.
May 1, 1957: A man is fatally shot at the Mannar police station following a clash between a crowd and police.
April 2-4, 1958: A police firing on Malaiyaha Tamil labourers at Bogawantalawa results in a riot against Sinhalese.