Category:1840

• 1840 by city (2 C)
• 1840 by continent (10 C)
• 1840 by country (64 C, 20 P)
• 1840 by country subdivision (1 C)
• 1840 by month (12 C)

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• 1840-related lists (2 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 (4 P)
• 1840 crimes (4 C)

D

• 1840 disasters (3 C)

E

• 1840 in economic history (3 C)
• 1840 in education (4 C)
• 1840 in the environment (3 C)

F

• 1840 festivals (1 P)
• Fiction set in 1840 (2 C, 8 P)

H

• 1840 in health (1 C)

L

• 1840 in law (7 C, 2 P)

M

• 1840 in mass media (1 C)
• Meteorological events in 1840 (1 P)
• 1840 in military history (4 C)

P

• 1840 in politics (12 C, 2 P)

R

• 1840 in religion (4 C)

S

• 1840 in science (7 C, 7 P)
• 1840 in sports (6 C, 1 P)

T

• 1840 in transport (6 C, 3 P)

W

• 1840 works (12 C, 10 P)