Main article: History of Christianity and homosexualityĪlthough homosexuality was not considered a major offense during the early Roman Empire, homosexual encounters and homosexual behavior came to be viewed as unacceptable as Christianity developed. The Old Testament (Leviticus 18:22, 20:13, Deuteronomy 22:5) condemned females who wore male attire, males who wore female attire, and males that engaged in homosexual intercourse. In the 11th century, the Doctor of the Church, St. Peter Damian, wrote the Liber Gomorrhianus, an extended attack on both homosexuality and masturbation. He portrayed homosexuality as a counter-rational force undermining morality, religion, and society itself, and in need of strong suppression lest it spread even and especially among clergy. Hildegard of Bingen, born seven years after the death of St.