- May 23, 1868
- Regulations respecting quarantine and public health for vessels coming into Canada.
- June 19, 1868
- Regulations respecting quarantine and public health for immigrants landing at Quebec.
- June 20, 1868
- Dominion Day
- Declaration of apprehended war, 1939 - as of August 25, 1939
- Declaration of a state of war with the German Reich - as of September 10, 1939
- Proclamation declaring the extraterritoriality of the birthplace of Princess Margriet of the Netherlands in Canada
- International Mother Language Day Proclamation for the Province of British Columbia (2015) under Elizabeth II