Medieval Times

The union called the lawsuit "unlawful thuggery" meant to intimidate workers who are trying to organize.
The ayes came out ahead in a vote among 40 knights, squires, actors and stablehands.
Employees at the chain's New Jersey castle have launched a union campaign aimed at improving pay and safety at a surprisingly dangerous job.
“We have no tolerance for fake news ... fake tans we love.”
What are examples of things that are "common knowledge" about history that historians almost universally consider incorrect?