1807 – Former U.S. Vice President Aaron Burr was arrested in Alabama. He was later tried and acquitted on charges of treason.

Aaron Burr, who served as Thomas Jefferson's vice president, is shown in an illustration on Oct. 4, 1956. Burr was indicted for murder in the duel slaying of Alexander Hamilton and later for treason in a plot to seize the new Louisiana Territory. (AP Photo)

Source: Wtop.com

On September 1, 1807, he was acquitted on the grounds that, although he had conspired against the United States, he was not guilty of treason because he had not engaged in an overt act, a requirement of treason as specified by the U.S. Constitution. Nevertheless, public opinion condemned him as a traitor, and he spent several years in Europe before returning to New York …