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
36
Seven U.S. states are named after sovereigns - four kings and three queens.
5
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.
225
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
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