In England, it is technically illegal to handle a salmon under suspicious circumstances, under the Salmon Act of 1986.

Archery was used as a tiebreaker in the 1900 Paris Olympics to separate athletes in other events.

The world record for the high jump exceeds eight feet.

Particles can exist in multiple states until observed.

Synchronized skating — where teams of up to 20 skaters perform together — is a competitive discipline not yet in the Olympics.

Competitive swimming only standardized pool lengths to 50 meters for the Olympics in 1924.

The Roman festival of Saturnalia — involving gift-giving, feasting, and role reversals — influenced Christmas traditions.

Particles can exist in multiple states until observed.

Some particles can pass through solid walls.