National Hot Dog Day is Wednesday, July 20 and to celebrate, Dog Haus is offering everyone a FREE Haus Dog. That’s right!!! On Wednesday, July 20, Dog Haus – the acclaimed gourmet hot dog, sausage and burger concept – is going all in for its favorite day of the year by giving away FREE Haus Dogs to fans who join or have already joined the Haus Hookup rewards program! Learn more at doghaus.com.