19th century

The 19th century was very important to the Doctor. His eighth incarnation once called 19th century England to be his favourite time and place, (EDA: The Banquo Legacy) though his initial incarnation clearly preferred 18th century France. (DW: The Reign of Terror)

The dates of some events were not specifically known. The following events took place in an unknown year of the :
 * Sebastiene attempted to hunt down the Tenth Doctor. (NSA: The Doctor Trap)
 * Ancestors of Gwen Cooper, who shared spatial genetic multiplicity with Gwyneth, settled in the Cardiff area. (DW: The Unquiet Dead, Journey's End)