5 surprising details about the burger chains you love

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1. The Hamburg steaks that German immigrants brought to the United States are where the word "Hamburger" comes from.

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2. Before their introduction at the St. Louis World's Fair in 1904, hamburgers were not widely consumed.

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3. In the US, 50 billion hamburgers are consumed annually.

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4. The home of the Hamburger Hall of Fame is Seymour, Wisconsin.

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5. In 1982, the 3,591-pound monster burger that could feed over 10,000 people was created.

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