The Eiffel Tower Can Be 15 cm Taller in Summer: Due to thermal expansion, the metal expands when it gets hot, making the tower slightly taller during warmer months.
"Et tu, Brute?" is attributed to Julius Caesar during his assassination. However, historians debate whether he actually said anything. Some believe he may have uttered Greek phrases or nothing at all. Shakespeare coined the phrase, but the exact words
The Dancing Plague of 1518: In 1518, people in Strasbourg, France, started dancing uncontrollably. One woman began, and soon many others joined, dancing for days. Some historians think they had mass hysteria or food poisoning from moldy rye.