1901

History of the Doctor Who Universe

 * An English author begins writing stories for The Ensign, a magazine for young boys. He will later vanish into the Land of Fiction and become the Master of the Land. (DW: The Mind Robber)
 * The first British submarine is launched (DW: Enlightenment)

January

 * 22 January: Queen Victoria dies on the Isle of Wight. A comment by the Fourth Doctor leads Sarah Jane Smith to believe that the queen was one of his companions, though he was more probably referring to Victoria Waterfield. The Doctor, however, was present at Victoria's coronation. (DW: Pyramids of Mars, The Curse of Peladon)
 * 22 January: Edward VII ascends the throne of Great Britain and Ireland. Sometime during his reign (1901-1910), a Rutan invasion of Earth is averted by the Doctor at the Fang Rock lighthouse. (DW: Horror of Fang Rock)

December

 * 12 December: While on an expedition to the ruins of Babylon, linguist John Lafayette stumbles across a time path to ancient Babylon. (BNA: Walking to Babylon)