McRay Magleby (b.1941), Peace Wave, 1985, 1985, silk screen print, 33 5/8 x 19 1/2 inches. Brigham Young University Museum of Art, 2012. Today, September 21, is International Day of Peace. The day is dedicated to world peace, and specifically the absence of war and violence. The International Day of Peace was first celebrated in 1982.