Refs
- https://praxent.com/blog/history-of-programming-languages
- https://www.computer.org/publications/tech-news/insider-membership-news/timeline-of-programming-languages
- https://devskiller.com/blog/history-of-programming-languages/
- https://www.linkedin.com/pulse/evolution-programming-languages-past-present-future-mohindroo-/
- http://www.catb.org/retro/plankalkuel/