The distances above are based on a reaction time of 0.67 seconds, which assumes the driver is alert, concentrating and not impaired. Driving when tired, distracted or impaired significantly increases reaction times, so the thinking distances above should be regarded as minimums.
Vice-President Aaron Burr killed his political rival Alexander Hamilton in a duel in Weehawken, NJ, resulting from a published letter that implied Hamilton had made derogatoryâ¦ comments about Burr's character.
The 25th president, William McKinley, was visiting the Pan-American Exposition in Buffalo, N.Y., when he was shot twice by anarchist Leon Czolgosz. McKinley died on Sept. 14, 1901. Czolgosz was sentenced to death and electrocuted on Oct. 29, 1901. After McKinleyâs death, the Secret Service officially took responsibility for protecting U.S. presidents.