« All EventsThis event has passed.Double Cheeseburger DaySeptember 15« Deshaun Watson’s BirthdayCinnamon Raisin Bread Day »September 15, 2026 is Double Cheeseburger Day. Enjoy it your way. Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Share:FacebookXWhatsAppThreadsTextMore… Details Date: September 15 Event Tags:DidYouKnow, FoodHolidays, WhatzToday