1 In XIX-th century salons was considered indecent if the man invited one lady of more than 3 times. Already after the second dance he should declare engagement.
2 In the USA women till now never «direct марафет» in public. It is considered indecent as well as simply to look in public in a mirror.
3 Gloves once were especially house accessory. In spite of the fact that gloves there was a great variety (sports, ball, for hunting and special gloves for footmen), put on gloves only houses as in public to do it was considered as the indecent.
4 To 20th years of the XX-th century at the Russian schools was considered indecent competently to write as it was not on-proletarski. For literacy could even write a denunciation. (And so whence «падонки» have gone) (Так вот откуда «падонки» пошли)
5 In Great Britain it is considered indecent to knit in public. Though, it is possible to tell the stories connected with knitting. By the way, recently in Britain men are fond of knitting. Knitting became the third after football and a policy a theme for discussion in bars and pubs. Кстати, в последнее время вязанием в Британии увлекаются мужчины. Вязание стало третьей после футбола и политики темой для обсуждения в барах и пабах.
6 In Bulgaria long time indecent for men was considered to drink less than one and a half liters of wine a day. Wine in Bulgaria costs copecks so its moderate use long time was considered as an inhospitality sign.
7 During Japanese tea ceremony it is considered indecent to sit, having crossed feet. To extend feet towards the neighbor is a top of forwardness. Therefore participants of ceremony sit on own heels. Поэтому участники церемонии сидят на собственных пятках.
8 By the way, as to Russia on a boundary XIX – XX centuries was considered absolutely indecent to get under a summer residence (this concept existed already then) sites the area less than 10-12 "hundred parts".
9 By rules of a good form which operated in Russian seigniorial manors, in all cases of life, talking to somebody, was considered indecent to become to this person half-turned. The person entering into a drawing room shouldn't be examined steadfastly from head to foot as it can put the modest person, especially the woman, in the most awkward position and to deprive of its any self-control.
10 In Thailand it is considered indecent to touch to are ready the interlocutor and to pat it on a shoulder. It is considered tendernesses, and public display of tendernesses in Thailand – is indecent.