National Donut Day falls on the first Friday of every June.

National Donut Day honors the Salvation Army "lassies" of WWI. It is also used as a fund raiser for needy causes of the Salvation Army.

The original Salvation Army Donut was first served by the Salvation Army in 1917. During WWI, Salvation Army "lassies" were sent to the front lines of Europe. These brave volunteers made home cooked foods and provided a moral boost to the troops. Often, the donuts were cooked in oil inside of the metal helmet of an American soldier. Salvation Army lassies were the only women outside of military personnel allowed to visit the front lines.