Banksy, the anonymous street artist, has never been definitively identified despite decades of speculation.

Project Blue Book investigated reports of unidentified flying objects.

Fact #1047 · Culture

A regulation NFL football must be inflated to between 12.5 and 13.5 psi.

Fact #4497 · Culture

The Milgram obedience study examined responses to authority.

Fact #1467 · Culture

Celtic mythology featured a world beyond death called the Otherworld — not a punishment but a paradise.

Fact #5316 · Culture

Facial expressions are recognized across many cultures.

Fact #966 · Culture

The Reformation reshaped religious life across Europe.

Fact #1148 · Culture

Hinduism is considered the world's oldest living religion, with texts dating back to at least 1500 BC.

Fact #5301 · Culture

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

Fact #759 · Culture