• 1940s in LGBTQ history (2 C, 17 P)
• 1940s missing person cases (1 C, 190 P)
• 1940s sailboat type designs (1 C, 19 P)

.

• 1940s by city (18 C)
• 1940s by continent (21 C)
• 1940s by country (257 C, 1 P)

*

• 1940s-related lists (14 C, 5 P)
• Months in the 1940s (120 P)

/

• 1940s beginnings (15 C, 2 P)
• 1940s endings (14 C)

0–9

• 1940 (30 C, 2 P)
• 1941 (31 C, 2 P)
• 1942 (30 C, 2 P)
• 1943 (30 C, 2 P)
• 1944 (30 C, 3 P)
• 1945 (32 C, 2 P)
• 1946 (31 C, 2 P)
• 1947 (31 C, 2 P)
• 1948 (32 C, 3 P)
• 1949 (32 C, 2 P)

A

• 1940s architecture (15 C, 11 P)
• 1940s in the arts (25 C)
• 1940s awards (13 C)

C

• 1940s censuses (5 C)
• 1940s competitions (3 C)
• 1940s conferences (11 C)
• 1940s controversies (6 C, 8 P)
• Counterculture of the 1940s (5 C, 16 P)
• 1940s crimes (18 C)

D

• 1940s disasters (26 C)

E

• 1940s in economic history (18 C, 22 P)
• 1940s in education (18 C)
• 1940s in the environment (17 C)

F

• 1940s fads and trends (5 C, 5 P)
• 1940s fashion (10 C, 85 P)
• 1940s festivals (11 C)
• Fiction set in the 1940s (16 C, 27 P)
• 1940s in film (17 C, 34 P)

H

• 1940s in health (12 C)
• 1940s hoaxes (2 C, 11 P)

L

• 1940s in law (20 C, 2 P)

M

• 1940s in mass media (18 C)
• 1940s in military history (18 C, 5 P)

P

• 1940s in philosophy (1 C)
• 1940s in politics (24 C, 2 P)

R

• 1940s in religion (19 C)

S

• 1940s in science (21 C, 13 P)
• 1940s in sports (56 C, 3 P)

T

• 1940s in technology (20 C)
• 1940s toys (2 C, 10 P)
• 1940s in transport (24 C, 2 P)

W

• 1940s in women's history (13 C)
• 1940s works (53 C, 1 P)
• Works set in the 1940s (17 C, 2 P)
• 1940s in professional wrestling (10 C)