January 23, 1849 – Elizabeth Blackwell was awarded her MD by the Medical Institute of Geneva, New York, thus becoming America’s first woman doctor.
January 20, 1944 – Franklin Delano Roosevelt was inaugurated to an unprecedented fourth term as President of the United States.
January 21, 1954 – The USS Nautilus, the world’s first nuclear powered submarine, was launched at Groton, Connecticut. It shares its name with Captain Nemo’s ship in the 1870 Jules Verne classic “20,000 Leagues Under the Sea.”
January 21, 1976 – The Concorde supersonic jet began passenger service cruising at twice the speed of sound.