19th century


 * Sebastiene attempts to hunt down the Doctor. (NSA: The Doctor Trap)
 * Ancestors of Gwen Cooper settle in the Cardiff area, one of whom may be Gwyneth, who later encounters the Ninth Doctor and Rose Tyler. (DW: The Unquiet Dead, Journey's End)
 * The Doctor shares an adventure with Queen Victoria of the United Kingdom, which results in him being knighted, and then declared an enemy of the United Kingdom. The Torchwood Institute is founded as a direct consequence. (DW: Tooth and Claw)

Decades

 * 1800s
 * 1810s
 * 1820s
 * 1830s
 * 1840s
 * 1850s
 * 1860s
 * 1870s
 * 1880s
 * 1890s