On February 6, 1756, Aaron Burr was born. Burr was an American politician who served as third Vice President of the United States, a man with a deeply ambiguous record. His popularity in his home state of New York, combined with the Slave Power vote, allowed for Thomas Jefferson’s victory in 1800 — and yet, another constitutional quirk, in addition to his apparent calculating ambition, precipitated a constitutional crisis in that election. He found a strong opponent in Federalist politician Alexander Hamilton, whom he later killed (in a duel, during his vice presidency). Out of office, Burr gathered an army west of the Appalachians, ostensibly to conquer Mexico. The army was captured, and Burr was put on trial for treason, with Thomas Jefferson moving heaven and earth to see a conviction. Burr was found not guilty, traveled to Europe, and then returned to America for a long life in the private sector.