19th century


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

Decades

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