National Day Of Mourning 2025 Ontario. Every april 28, workers, unions, and labour organizations across canada mark the national day of mourning for workers who have died or suffered illness or injury as a result of their work. April 28 is the national day of mourning for workers killed, injured or made ill because of hazards on the job.

“today, on the national day of mourning, we remember and honour every canadian worker who has been killed or. This day serves as a reminder of the importance of workplace safety and our shared responsibility to protect workers from harm.