Bruegger's Celebrates National Bagel Day, Tuesday February 9 8 /PRNewswire/ -- Tuesday February 9th is National Bagel Day, a day that Bruegger's Bagels, founder of the retail bagel concept and holder of the Guinness ... Vote for your favorite bagel" by The Playground Vote for your favorite Panera bagel and you could get one free on National Bagel Day, Feb. 9. While we can't get on board with every ...