Register. Tell your family. Be inspired. The history of Green Shirt Day and the Logan Boulet effect, as told by the Canadian Transplant Association: The Humboldt Broncos bus crash occurred on April 6, 2018. 14 people were killed and 13 injured when a bus and semi-trailer truck collided near Armley, Saskatchewan. Logan Boulet passed away … Continue reading The Logan Boulet Effect: The History Behind Green Shirt Day