National Donut Day is celebrated on the first Friday of June each year. This day honors the Salvation Army volunteers, known as "Donut Lassies," who served donuts to soldiers during World War I. The day is a fun way to enjoy and appreciate this popular treat. Many bakeries and donut shops offer free or discounted donuts on National Donut Day. People often celebrate by indulging in their favorite flavors and sharing them with friends and family. It's a delightful occasion that brings communities together over a shared love for donuts.