Did you get your free doughnut today!  It's National Doughnut Day, started in 1938 ot honor women who served doughnuts to soldiers during World War I.  At Dunkin' Donuts, get a free classic doughnut of your choice with the purchase of any beverage all day while supplies last.  Get one free doughnut of your choice at Krispy Kreme, no purchase necessary at participating locations.  Find out even more here.