In Japan, proper behavior included a tradition of mixed gender public baths before Western contact began in the 19th century, and proper attire for farmers and other workers might be a loincloth for both men and women.
Journal of Australian Studies.
The exception was the Baptism, which was originally by full immersion and without clothes.
The biblical stories of and place the responsibility for arousing lust in male onlookers upon the women who are bathing although they had no intent to be seen.
In the state of Oregon, public nudity is legal and protected as free speech as long as there is not an "intent to arouse".
A contemporary solution has been to provide separate family changing rooms.