The US Navy commissioned USS Nautilus, which became the world’s first nuclear submarine.
Source
For the first time, scientists captured images of a live giant squid in its natural environment.
Jack the Ripper killed his third and fourth victims, Elizabeth Stride and Catherine Eddowes.
A super-massive iceberg broke away from Antarctica.
Anesthetic was used for the first time on a dental patient by Dr. William Morton.
Mozart's last opera, 'The Magic Flute,' premiered in Vienna.
