Timeline of Events

A chronological record of the systematic violence against the Tamil people, from discriminatory legislation to mass atrocities.

Event Types:
Massacre Political Event Report Published Memorial
1956
Political Event Jun 5, 1956

Sinhala Only Act passed

The Official Language Act No. 33 made Sinhala the sole official language of Sri Lanka, marginalizing the Tamil-speaking population and triggering ethnic tensions.

1958
Massacre May 22, 1958

1958 Anti-Tamil Pogrom

The first major anti-Tamil riots, sparked by the Bandaranaike-Chelvanayakam Pact controversy. Hundreds of Tamils were killed and thousands displaced.

1977
Massacre Aug 18, 1977

1977 Anti-Tamil Violence

Following general elections, widespread violence against Tamils erupted, particularly in the south. Over 300 Tamils were killed.

1981
Massacre Jun 1, 1981

Jaffna Public Library Burned

The Jaffna Public Library, containing 97,000 books and priceless Tamil manuscripts, was burned down by Sinhalese police and paramilitary forces.

1983
Massacre Jul 23, 1983

Black July Begins

A week-long pogrom against Tamils began, resulting in an estimated 3,000 deaths and 150,000 displaced. This event marked the beginning of the civil war.

3,000 casualties
Massacre Jul 25, 1983

Welikada Prison Massacre

53 Tamil political prisoners were killed in Welikada Prison during Black July.

53 casualties
1984
Massacre Aug 4, 1984

Valvettithurai Massacre

64 Tamil civilians killed by the Sri Lankan Army in Valvettithurai.

64 casualties
1985
Massacre May 14, 1985

Kumudini Boat Massacre

32 Tamil civilians killed when the passenger ferry Kumudini was attacked by the Sri Lankan Navy.

32 casualties
1987
Political Event Jul 29, 1987

Indo-Sri Lanka Accord Signed

India and Sri Lanka signed an accord to end the conflict, leading to deployment of Indian Peace Keeping Force (IPKF).

1990
Massacre Jun 11, 1990

War Resumes / Elephant Pass

The LTTE ended the ceasefire. Following military operations, hundreds of Tamil civilians were killed.

600 casualties
Massacre Sep 9, 1990

Sathurukkondan Massacre

184 Tamil civilians, including women and children, were burned alive by the Sri Lankan Army.

184 casualties
1991
Massacre Jun 12, 1991

Kokkadichcholai Massacre

184 Tamil men were rounded up and executed by the Sri Lankan Army.

184 casualties
1995
Massacre Jul 9, 1995

Navaly Church Bombing

147 Tamil civilians killed when the Sri Lankan Air Force bombed St. Peter's Church in Navaly.

147 casualties
2002
Political Event Feb 22, 2002

Ceasefire Agreement

A Ceasefire Agreement was signed between the Government of Sri Lanka and the LTTE, mediated by Norway.

2006
Massacre Jan 2, 2006

Five Students Killed in Trincomalee

Five Tamil students were shot dead by security forces on a beach in Trincomalee.

5 casualties
Massacre Aug 13, 2006

Allaipiddy Church Massacre

21 Tamil civilians killed when the Sri Lankan Navy shelled a church in Allaipiddy.

21 casualties
2008
Political Event Jan 2, 2008

Ceasefire Officially Ends

The Sri Lankan government formally withdrew from the 2002 Ceasefire Agreement.

2009
Massacre Jan 27, 2009

Killinochchi Hospital Shelling

Killinochchi Hospital was shelled by the Sri Lankan Army despite being clearly marked as a medical facility.

21 casualties
Massacre May 16, 2009

Mullivaikkal Massacre Begins

The final phase of the war resulted in tens of thousands of Tamil civilian deaths in the 'No Fire Zone'.

70,000 casualties
Political Event May 18, 2009

End of Civil War

The Sri Lankan government declared victory over the LTTE. The war ended with massive civilian casualties.

2011
Report Published Apr 11, 2011

UN Panel Report Released

The UN Secretary-General's Panel of Experts released a report finding credible allegations of war crimes by both parties.

2014
Report Published Mar 27, 2014

UN Human Rights Council Resolution

The UNHRC passed a resolution promoting reconciliation, accountability and human rights in Sri Lanka.

2015
Report Published Sep 16, 2015

OHCHR Investigation Report

The UN Office of the High Commissioner for Human Rights released a comprehensive investigation report on Sri Lanka.

2021
Report Published Mar 23, 2021

UNHRC Resolution for International Mechanism

The UN Human Rights Council adopted a resolution to strengthen the collection and preservation of evidence of crimes.

Summary

15
Massacres Documented
5
Political Events
4
Reports Published
65
Years Documented