1782 – 1st nautical almanac in US published by Samuel Stearns, Boston
1860 – The first British seagoing iron-clad warship, HMS Warrior is launched.
1867 – 1st telegraph ticker used by a brokerage house, Groesbeck & Co, NY
1891 – Edison patents “transmission of signals electrically” (radio)
1931 – Identification of heavy water publicly announced, HC Urey
1937 – Pan Am starts service between San Francisco and Auckland, New Zealand
1939 – First flight of the Consolidated B-24 Liberator bomber prototype