pouring alcohol on the ground in memory of dead compatriots is a 3,000-year-old custom that was mentioned in the christian bible, the iliad, and the odyssey.

the square dance is the official dance of 24 u.s. states.

separate rooms for sleeping are a relatively recent invention. prior to the industrial revolution, most houses consisted of a single room. that meant that you had sex in front of anyone else who happened to live in the house - like your parents.

the custom of young men wearing jeans well below their waist began in jail, where inmates are stripped of their belts to prevent them from committing suicide.