This is an automated archive made by the Lemmit Bot.

The original was posted on /r/todayilearned by /u/MrMojoFomo on 2024-12-17 22:04:25+00:00.

Original Title: TIL that the idea that medieval castles had clockwise spiral staircases to make it hard for attackers is mostly unfounded. Not only did about 30% of medieval castles have counter-clockwise stairs, the earliest known reference for this claim comes from a book written in 1903, with no primary sources