![21 SEP QUIZ](https://www.gkseries.com/blog/wp-content/uploads/2021/09/Copy-of-Online-Quiz-Made-with-PosterMyWall-11.jpg)
A) 20 September
B) 22 September
C) 21 September
D) 19 September
Explanation: The International Day of Peace (or World Peace Day) is observed annually on 21 September, as a period to observe 24 hours of non-violence and cease-fire and to spread awareness and preach peace and harmony all across the globe.