September 12

Flags are flown at half-mast for Firefighters' National Memorial Day.

August 8–August 17

Flags will be flown at half-mast 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 are flown at half-mast for the National Day of Remembrance for Victims of Terrorism.

June 9

Flags remain at half-mast in memory of the family who were victims of a tragic attack in London, Ontario. 

May 31–June 8

Flags are 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 are flown at half-mast for The Day of Mourning for Persons Killed or Injured in the Workplace.

April 9

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 are flown at half-mast for the Battle of Vimy Ridge Day.

March 11

Flags are flown at half-mast for the National Day of Observance for COVID-19.

February 5