2025 theme ‘Act Now for a Peaceful World’ encourages concrete action.
NEW ROCHELLE, NY (Sept 21, 2025) Salesian Missions, the U.S. development arm of the Salesians of Don Bosco, joins humanitarian organizations and countries around the globe in recognizing the International Day of Peace, observed on Sept. 21 each year. The United Nations General Assembly declared the International Day of Peace as a day devoted to strengthening the ideals of peace, both within and among all nations and peoples.