Timeline for 1840
19th century | 1840s

1834 • 1835 • 1837 • 1838 • 1839 • 1841 • 1842 • 1843 • 1845 • 1846

In 1840, Kew Gardens was formally opened to the public. The Sixth Doctor was attempting to bring Peri Brown to Kew Gardens when he was diverted to Killingworth in the 1820s by the Master. (TV: The Mark of the Rani)

In London, the Eighth Doctor encountered Spring-heeled Jack, a Hunter who had been sent to Earth in 1837. (COMIC: The Curious Tale of Spring-Heeled Jack)

Tenskwatawa died miserable and alone. (PROSE: The Book of the War)

New York City's total population was 312,710. (TV: The Gathering)
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