Category:1840

• 1840 by city (2 C)
• 1840 by continent (10 C)
• 1840 by country (69 C, 20 P)

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• 1840-related lists (1 P)

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• 1840 beginnings (5 C)
• 1840 endings (3 C)

A

• 1840 in the arts (7 C)

C

• 1840 censuses (1 P)
• 1840 conferences (3 P)
• 1840 crimes (4 C)

D

• 1840 disasters (6 C)

E

• 1840 in economic history (3 C)
• 1840 in education (2 C)
• 1840 in the environment (3 C)
• 1840 events by month (12 C)

F

• 1840 festivals (1 P)
• Fiction set in 1840 (1 C, 8 P)

H

• 1840 in health (1 C)

L

• 1840 in law (7 C, 2 P)

M

• 1840 in mass media (1 C)
• 1840 meteorology (1 P)
• 1840 in military history (3 C)

P

• 1840 in politics (11 C)

R

• 1840 in religion (4 C)

S

• 1840 in science (7 C, 6 P)
• 1840 in sports (6 C, 2 P)

T

• 1840 in transport (6 C, 2 P)

W

• 1840 works (13 C, 8 P)