UN International Day of Peace on Saturday, September 21st. This year’s theme is “Education for Peace”
“Today we begin the 100-day countdown to the observance of the International Day of Peace, when the United Nations calls on all combatants around the world to lay down their arms and to give peace a real chance. […] Over the next 100 days, let us resolve to learn together how to create a universal culture of peace. UN Secretary-General Ban Ki-moon.
For more on founders of September 21 – World Peace Day