A gay island community created by Italy's Fascists
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Off the top of my head I can think of Julius Caesar (derided, that much is true, by his enemies, for enjoying taking the passive role every now and then - but not for having sex with males per se) and Augustus, but I'm sure there were others.
That it was socially acceptable to be a man and penetrate someone else regardless of their sex, while it was frowned upon to be a grown man and be penetrated.
Similarly, to receive oral from someone else was fine, but it was frowned upon for a man to perform oral on a woman.
http://www.mymilitaria.it/Liste_02/images/x_mas_bregonzio_1....
(Reads: next time without Italy) ;)
http://it.wikipedia.org/wiki/Isola_delle_Rose_%28micronazion...