Category:1840s by city
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This
category
is for the decade
1840s
by
city
.
1790s
1800s
1810s
1820s
1830s
1840s
1850s
1860s
1870s
1880s
1890s
14th
15th
16th
17th
18th
19th
20th
21st
22nd
23rd
24th
See also:
Category:1840s by country
and
Category:1840s by continent
