Genghis Khan killed so many people that it may have cooled Earth's climate by reducing agricultural CO₂ emissions.

The modern Olympic Games began in 1896 in Athens, Greece.

Fact #921 · Culture

Music can influence mood and emotional state.

Fact #956 · Culture

The world record for the high jump exceeds eight feet.

Fact #937 · Culture

Particles can exist in multiple states until observed.

Fact #1913 · Culture

Carthage was destroyed by Rome in 146 BCE.

Fact #1638 · Culture

Competitive art used to be an Olympic sport.

Fact #2594 · Culture

The longest recorded rally in professional tennis lasted 643 shots in a match in 1984.

Fact #4984 · Culture

The Boston Marathon is one of the oldest annual marathons.

Fact #938 · Culture