February 6 – A fight, the1858 Congressional brawl, breaks out on the floor of the U.S. House between Representatives of the Northern and Southern states.[1]
August 16 – U.S. PresidentJames Buchanan inaugurates the newtrans-Atlantictelegraph cable by exchanging greetings withQueen Victoria. However, a weak signal forces a shutdown of the service on September 1.
^"Treaty with the Yankton Sioux, 1858". Archived fromthe original on July 14, 2010. RetrievedOctober 27, 2009. Provided by the Oklahoma State University Library fromIndian Affairs: Laws and Treaties (Vol. II) compiled and edited by Charles J. Kappler, 1904.