 September 21st is the International Day of Peace. And the U.S. Institute of Peace wants your help to make it count. It's more than just another taco day. Pie day, millennial appreciation day. Talk like a parody. On September 21st, we're turning the day of peace into the day of action. Into a day of action. With the Peace Day Challenge. Challenge yourself to do something that will make your world more peaceful. Talk to someone who doesn't look like you. Speak up when you see someone being intolerant. Volunteer for a cause you care about. Learn how to resolve conflicts without violence. Then challenge others to do the same. Use hashtag peace day challenge to issue your challenge. Hashtag peace day challenge. And discover what others have done. Join us. Join the United States Institute of Peace. Join millions of people from around the world. Take the peace day challenge. Take the peace day challenge. Take it. Take the peace day challenge.