1861

December

 * Prince Albert of Saxe-Coburg and Gotha, the husband of Queen Victoria, died. (ST: The Lampblack Wars)
 * The Third Doctor took Sarah Jane Smith to see a typical Victorian era show in Drury Lane Theatre in London. (ST: The Lampblack Wars)
 * 23 - The Fifth Doctor and Turlough assisted Mrs Elkins in defending her Virginia farmhouse from a group of American Civil War deserters led by Lucius Casler. (ST: Comforts of Home)

Unknown dates

 * The Confederate States of America came into existence with Jefferson Davis as its first and ultimately only President. (TN: Blood and Hope)
 * The American Civil War began between the United States of America and the Confederate States of America. The War Lords kidnapped several soldiers from this conflict for use in their War Games. (DW: The War Games)
 * The Malicious Damage Act, which covered lighthouses, was passed. (DW: Horror of Fang Rock)
 * The Cemar came to Earth to try to discover some minerals. (NSA: The Good, The Bad and The Alien)