December 6
Flags will be flown at half-mast from sunrise to sunset on the National Day of Remembrance and Action on Violence Against Women.
November 26
Flags will be flown at half-mast from sunrise to sunset for the funeral of the Honourable Josée Forest-Niesing.
November 11
Flags will be flown at half-mast from sunrise to sunset for Remembrance Day.
November 8–9
Flags will be flown at half-mast from sunrise to sunrise on November 8–9 for Indigenous Veterans Day.
November 4
Flags will be flown at half-mast from sunrise to sunset for the memorial service of former Premier William Grenville Davis, who passed away on August 8.
November 3
Flags will be flown at half-mast from sunrise to sunset in memoriam of former MPP James Pollock. Pollock passed away on October 28.
October 3
Flags will be flown at half-mast from sunrise to sunset for Firefighters’ Memorial Day (Ontario).
September 30
Flags will be flown at half-mast from sunrise to sunset for the National Day for Truth and Reconciliation.
September 26
Flags will be flown at half-mast from sunrise to sunset for Police and Peace Officers' National Memorial Day.
September 12
Flags will be flown at half-mast from sunrise to sunset for Firefighters' National Memorial Day.
August 8–August 17
Flags will be flown at half-mast from sunrise to sunset in memoriam of former Premier William Grenville Davis. Davis passed away on August 8.
July 2–July 12
Flags will be flown at half-mast until sunset on July 12 in memoriam of Toronto Police Constable Jeffrey Northrup. Northrup passed away July 2.
June 23
Flags will be flown at half-mast from sunrise to sunset for the National Day of Remembrance for Victims of Terrorism.
June 9
Flags remain at half-mast from sunrise to sunset in memory of the family who were victims of a tragic attack in London, Ontario.
May 31–June 8
Flags will be flown at half-mast in memory of the 215 children whose bodies have been discovered on the grounds of the Kamloops Indian Residential School in Tk’emlúps te Secwépemc First Nation territory.
April 28
Flags will be flown at half-mast from sunrise to sunset for The Day of Mourning for Persons Killed or Injured in the Workplace.
April 9- April 17
Flags will be flown at half-mast until sunset on April 17 in memoriam of His Royal Highness The Prince Philip, Duke of Edinburgh. His Royal Highness The Duke of Edinburgh passed away on April 9.
April 9
Flags will be flown at half-mast from sunrise to sunset for the Battle of Vimy Ridge Day.
March 11
Flags will be flown at half-mast from sunrise to sunset for the National Day of Observance for COVID-19.
February 5
Flags will be flown at half-mast from sunrise to sunset in memoriam of former MPP Barbara Sullivan. Sullivan passed away on January 24.