factoid
🇺🇸
/ˈfæktɔɪd/
🇬🇧
/ˈfæktɔɪd/
A statement that many people believe to be true, but probably isn't.
Some people think that humans only use 10% of their brains, but that's just a factoid.
A small, interesting piece of information, often about something not very important.
Here's a pop factoid for you: Did you know that the shortest war in history lasted only 38 to 45 minutes?