Category:20th-century introductions

• 1900s introductions‎ (29 C, 3 P)
• 1910s introductions‎ (28 C, 2 P)
• 1920s introductions‎ (30 C, 5 P)
• 1930s introductions‎ (28 C, 8 P)
• 1940s introductions‎ (28 C, 7 P)
• 1950s introductions‎ (32 C, 7 P)
• 1960s introductions‎ (33 C, 9 P)
• 1970s introductions‎ (29 C, 13 P)
• 1980s introductions‎ (30 C, 6 P)
• 1990s introductions‎ (29 C, 8 P)

0–9

• 20th-century inventions‎ (2 C, 119 P)

A

• Amusement park attractions introduced in the 20th century‎ (31 C)

C

• Cameras introduced in the 20th century‎ (22 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)
• Fictional elements introduced in the 20th century‎ (10 C)
• Food and drink introduced in the 20th century‎ (10 C, 2 P)

G

• Games and sports introduced in the 20th century‎ (13 C)

M

• Mass media franchises introduced in the 20th century‎ (12 C)

N

• 20th-century neologisms‎ (10 C, 30 P)

P

• Products introduced in the 20th century‎ (116 C, 3 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 (94 C)
• Writing systems introduced in the 20th century‎ (18 C, 5 P)