Quote "There is no power on earth that can defeat Pakistan" printed on 6th September Pakistan Defence Day wallpaper. Warm wishes on the Defence Day of the Pakistan Army to everyone. We are really proud to have such a strong and inspiring Pak Army in our nation. Our Army knows how to protect his homeland. Pakistan Army Zindabad. Defence Day is also known as Difa day. Write your name on our 3D Youm-e-Difa day Wallpaper which you can also use as Dp. Free Pakistan Defence day dp maker with a quote.