| Timeline |
| 1780s •1790s • 1800s • 1810s |
| 1820 • 1821 • 1822 • 1823 • 1824 1820s part of the 19th century 1825 • 1826 • 1827 • 1828 • 1829
|
| 1830s • 1840s • 1850s • 1860s |
The Sixth Doctor was attempting to bring Peri Brown to Kew Gardens when he was diverted to Killingworth in the 1820s by the Tremas Master. (TV: The Mark of the Rani)
The First Doctor, alongside Susan, Barbara and Ian, arrived to Japan. (AUDIO: The Barbarians and the Samurai)