Each year the International Day of Peace is observed around the world on___________?
A. 15 July
B. 24 May
C. 18 October
D. 21 September
Each year the International Day of Peace is observed around the world on 21 September. The UN General Assembly has declared this as a day devoted to strengthening the ideals of peace, through observing 24 hours of non-violence and cease-fire.