Siemens & Halske
Oct 1 German inventor and industrialist Werner von Siemens founds Siemens AG & Halske
- Oct 1 Maria Mitchell discovers a non-naked-eye comet
Jane Eyre
Oct 16 Charlotte Brontë's book "Jane Eyre" published
- Oct 20 12-year-old English boy William Nelman poisons his grandpa with arsenic, would become famous court case