Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The United States does not have an official language.
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Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
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Saint Augustine, Florida, is the oldest European settlement in North America.
55
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
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Ice cream cones were popularized in America during the 1904 World’s Fair in Saint Louis when an ice cream vendor ran out of cups and asked a nearby waffle vendor to roll up his waffles to hold the ice cream.
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