Category:20th-century introductions

• 1900s introductions‎ (29 C)
• 1910s introductions‎ (27 C, 2 P)
• 1920s introductions‎ (29 C, 4 P)
• 1930s introductions‎ (28 C, 6 P)
• 1940s introductions‎ (28 C, 5 P)
• 1950s introductions‎ (32 C, 1 P)
• 1960s introductions‎ (32 C, 5 P)
• 1970s introductions‎ (29 C, 2 P)
• 1980s introductions‎ (29 C, 4 P)
• 1990s introductions‎ (29 C, 4 P)

0–9

• 20th-century inventions‎ (114 P)

A

• Amusement park attractions introduced in the 20th century‎ (30 C)

B

• Bakelite‎ (2 P)

C

• Cameras introduced in the 20th century‎ (20 C)
• 20th-century comics debuts‎ (12 C)
• Computer-related introductions in the 20th century‎ (13 C)

F

• Fictional characters introduced in the 20th century‎ (11 C, 1 P)
• Fictional elements introduced in the 20th century‎ (10 C)
• Food and drink introduced in the 20th century‎ (10 C)

G

• Games and sports introduced in the 20th century‎ (12 C)

M

• Mass media franchises introduced in the 20th century‎ (11 C)

N

• 20th-century neologisms‎ (11 C, 25 P)

P

• Products introduced in the 20th century‎ (114 C, 4 P)

R

• 20th-century robots‎ (10 C)

T

• Telecommunications-related introductions in the 20th century‎ (10 C)
• Typefaces and fonts introduced in the 20th century‎ (10 C)

V

• Vehicles introduced in the 20th century‎ (17 C)

W

• Weapons and ammunition introduced in the 20th century‎ (90 C)