National Donut Day, a pseudo-holiday that honors the beloved breakfast pastry, occurs annually on the first Friday in June. It was established in 1938 by The Salvation Army as a way to honor the organization's Donut Lassies, women who traveled to France to serve donuts and other snacks to soldiers during World War I, USA TODAY reported.

The Salvation Army uses National Donut Day as a moment to highlight the “Donut Lassies,” who volunteered with the organization during World War I and would often make freshly

National Donut Day also celebrates the Salvation Army "Lassies," or women who served doughnuts to soldiers during WWI. National Donut Day is on Friday, June 6, and several chains are offering deals for the annual unofficial food holiday.