Today in history – March 29, 2018
1929 – Herbert Hoover has telephone installed in Oval Office http://www.history.com/this-day-in-history/herbert-hoover-has-telephone-installed-in-oval-office 1951 – Rosenbergs convicted of espionage http://www.history.com/this-day-in-history/rosenbergs-convicted-of-espionage 1974 – Mariner 10 visits Mercury http://www.history.com/this-day-in-history/mariner-10-visits-mercury…