The Geisha of Japan would not perform fellatio because it was considered demeaning for the cultured to do so.
In ancient England a person could not have sex unless you had consent of the King, (unless you were in the Royal Family). When anyone wanted to have a baby, they got consent of the King, the King gave them a placard that they hung on their door while they were having sex. The acronym for "Fornication Under Consent of the King was stamped on it. F.U.C.K.
There are men in Guam whose full-time job is to travel the countryside and deflower young virgins, who pay them for the privilege of having sex for the first time.
The Roman emperor Nero used to dress up young boys in his dead wife's clothes and make love to them.
Ancient Greeks admired the small firm penis, and considered the large member aesthetically unappealing.
In ancient China, the crimes for abduction, armed robbery, treason, and adultery were punished by castration.
The early Christian church forbade couples from having sex on Wednesdays, Fridays and, of course, Sundays.
The origin of the modern day confessional box comes from the Middle Ages. Before then, prostitutes who visited priests to confess their sins were often sexually assaulted.
In Lebanon, men are legally allowed to have sex with animals, but the Animals must be female. Having sexual relations with a male animal is punishable by death.
In Ancient Greece, women would expose their genitals to ward of storms at sea.