(*personally would also welcome expressions of queer/genderqueer desire by not-necessarily-female persons)
...has been informally declared and is being celebrated, among other places, here, here, here, here, here, here, here, here, here, here, and here.
Since I'm both lazy this week and in awe of this woman's efforts to display the gorgeous, week after week, I'm going to kick this off by both paying her homage and shamelessly lifting some of my favorite images from her treasure trove (hope that's all right). Yes, she has way, way more where these came from--98 pages' worth of women alone, and a whole passel of gentlemen (almost as many as women), and art pics to boot. Thanks, skywardprodigal, you are an inspiration, truly.
You can also see my contributions to earlier versions of this celebration on my other page. Also see this recent post for teh slash, I guess.
Most of the following, then, are cribbed shamelessly from skywardprodigal, with a few additions of my own, can't be arsed to remember for positive which now alas--a Maggie Cheung, I think, Aishwarya Rai, and some Alex Kingston. (ETA: and Rachel Weisz, and Grace Park, and Kera Knightley, and...screw it, I lost track. sorry if I broke anyone's Internets).