1806 - Andrew Jackson kills Charles Dickinson in a duel

(Wikipedia) - Charles Dickinson (1780-May 30, 1806), was a 19th century American and nationally famous duelist. An expert marksman, Dickinson's dueling career included 26 kills before it was ended at the hands of future President Andrew Jackson.
Born at Wiltshire Manor, Dickinson grew up in the Grove community of Caroline County, Maryland. He was a successful planter, renowned duelist, and a popular socialite. Dickinson owned a house in Maryland for 13 years.
Jackson's political opponents convinced Dickinson to insult Jackson's wife, assuming Jackson would not survive. At a party near Hillsboro, Maryland at the Daffin House plantation, he met Andrew Jackson and struck up a conversation about horse racing. Continued