Category:20th-century software 15th16th17th18th19th20th21st22nd23rd24th25th Subcategories This category has the following 8 subcategories, out of 8 total. 0–9 1940s software (3 C) 1950s software (11 C, 1 P) 1960s software (12 C, 15 P) 1970s software (12 C, 9 P) 1980s software (12 C, 3 P) 1990s software (12 C, 5 P)P Programming languages created in the 20th century (6 C, 5 P)V 20th-century video games (44 C)
