80 character column limits in code are a legacy from 80 column text displays which are a legacy of IBM's 80 column punch cards which are a legacy of Roman chariots which had two side-by-side 40 column horses
ok maybe that last bit is a bit silly but it's no sillier than using a nearly 100 year old punch card standard on today's wide screen monitors
coincidentally the Roman Colosseum, completed in year 80 AD, has 80 archways & thus 80 columns around the outer perimeter
https://www.thecolosseum.org/facts
24 Mind-Blowing Facts About The Roman Colosseum (with Pictures)
With nearly two thousand years of history, there is much to know about the Roman Colosseum. The arena once witnessed bloody gladiator battles, epic hunts
The Colosseum