Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
In the US, there are quite a few cities called Gaylord.
27
Saint Augustine, Florida, is the oldest European settlement in North America.
55
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
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