Category:Symbols introduced in the 1920s

0–9

• Symbols introduced in 1920‎ (1 C, 2 P)
• Symbols introduced in 1921‎ (1 C, 1 P)
• Symbols introduced in 1922‎ (1 C, 2 P)
• Symbols introduced in 1923‎ (1 C, 1 P)
• Symbols introduced in 1924‎ (1 C, 1 P)
• Symbols introduced in 1925‎ (1 C, 4 P)
• Symbols introduced in 1927‎ (1 C, 1 P)
• Symbols introduced in 1928‎ (1 C, 2 P)
• Symbols introduced in 1929‎ (1 C)