It is illegal to challenge someone to a duel, or accept a duel, even it it is never actually fought. Penalty: Imprisonment for one to seven years.

If you challenge a man to a fist fight to the death, he must accept or pay a penalty of 4 deer.

Riding a horse over any public highway for the purpose of racing, or testing the speed of the horse is illegal. Penalty: Maximum $20 fine and imprisonment for 10 days.

An old Washington law sent duelists to jail for ten years, assuming they didn’t lose the duel.

Old women must hide their faces when in the vicinity of virgins. The penalty for disobeying this law is 5 years in prison.

It is illegal to accept a gratuity or tip in Iowa.