On the National Day Calendar website, find out when 'National Doughnut Day' is celebrated each year. Additionally, identify a notable historical detail about its origin as described on its dedicated page. Provide both the annual celebration date and the historical detail you found.
Navigate to the 'National Doughnut Day' page on nationaldaycalendar.com. Identify the annual celebration date for 'National Doughnut Day' from the page. Locate and identify a notable historical detail about its origin. State the annual celebration date and the historical detail.
State the annual celebration date for 'National Doughnut Day' as 'First Friday in June'. State a notable historical detail about its origin, specifically mentioning that 'The Salvation Army started National Doughnut Day in 1938 to honor the women who served doughnuts to soldiers during World War I.'