National Hamburger Day in USA
National Hamburger Day in USA is held on May 28. This event in the third decade of the month May is annual. 
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A hamburger is a food, typically considered a sandwich, consisting of one or more cooked patties of ground meat, usually beef, placed inside a sliced bread roll or bun.National Hamburger Day is an unofficial holiday, most commonly observed on May 28, that celebrates hamburgers.
Similar holidays and events, festivals and interesting facts
National Italian Beef Day and National Grape Popsicle Day in USA on May 27
National Brisket Day in USA on May 28
Mayonnaise Day on May 28
National Burger Day in Australia on May 28
Mexico Nutrition Day on May 28
Spain Nutrition Day on May 28
World Hamburger Day on May 28
World Digestive Health Day on May 29 (On the 29th of May 1958, the last day of the First World Congress of Gastroenterology which took place in Washington, an assembly of distinguished gastroenterologists announced the foundation of the World Gastroenterology Organisation was born);
National Biscuit Day in USA and UK on May 29
National Burger Day in USA on May 29
National Meat Day in Uruguay on May 29