Initiation rites marking transitions — childhood to adulthood, outsider to member — are universal across cultures.

The longest recorded point in a professional tennis match lasted over 40 shots.

The mathematical constant tau (τ = 2π) is championed by some as more natural than pi for describing circles.

During his entire lifetime, Vincent Van Gogh is known to have sold only a single painting.

In 1904, an Olympic marathon included bizarre obstacles and poor organization.

The Library of Alexandria wasn't destroyed in a single fire — it declined gradually over centuries due to neglect and underfunding.

Particles can exist in multiple states until observed.

Abraham Lincoln was a licensed bartender.

In 1518, a dancing plague reportedly caused people to dance uncontrollably for days.