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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Forty percent of American adults cannot fill out a bank deposit slip correctly.
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Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
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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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There are six times as many people of Irish descent living in America than in Ireland.
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The United States consumes 25% of all the world's energy.
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