None of the United States Presidents in the first 61 years of the nation’s existence were actually born in the country they led. The reason for this is simple enough: The first seven U.S. Presidents — George Washington, John Adams, Thomas Jefferson, James Madison, James Monroe, John Quincy Adams, and Andrew Jackson — were all born before 1776, and therefore before the United States was an independent nation. The first President who could actually claim to have been born a U.S. citizen was the country’s eighth President, Martin Van Buren. Van Buren was born in 1782 in Kinderhook, New York,...