Historical biography archive · Updated 2026-11-03

William Calley, Jnr Biography and Timeline

Follow William Calley, Jnr through 3 dated historical records for United States of America.

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William Calley, Jnr, historical timeline

A chronological timeline drawn from matching World History Database records.

3Distinct records

1 of 1Page

1968–1971Years on this page

1968

16 March 1968

Massacre

My Lai · Warfare / Vietnam War, 2nd

A massacre by US troops, allegedly under the orders of Lt Calley

Role range: 1960-1975

1971

31 March 1971

Massacre

My Lai · Warfare / Vietnam War, 2nd

Convicted by a military tribunal of killing civilians at My Lai

Role range: 1960-1975

31 March 1971

Trial

My Lai · Warfare / Vietnam War, 2nd

William Calley is sentenced to life in prison, reduced to 20 yrs. Convicted by a military tribunal of killing civilians at My Lai

Role range: 1960-1975

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.