Between the 18th and 19th centuries, maps showing Africa would have the Mountains of Kong mountain range on them. These mountains do not exist and have never existed.
Humbleness often seems in short supply these days. Being humble keeps our feet on the ground. We need more humble humans.
Have an extremely strong claim to the throne of England, Richard of York eventually started the Wars of the Roses against his cousin Henry VI. While his son eventually became king as Edward IV, Richard was killed in battle. His head was mounted on a pike wearing a paper crown.
Even though politics got them divorced, when Napoleon Bonaparte died, the literal last word out of his mouth was Josephine.