Nary an email in my box. I wouldn't have known about it at all except that it was the google image that day. The closest (that I know of) that we come to a Women's Day in the US is Valentine's Day (which is Women's Day for those in a relationship) or Mother's Day (for those with children). If neither apply to you, there is no Women's Day.
The post that was quoted here has been removedI think most people don't celebrate holidays that aren't part of their local culture, although they know it exists somewhere on the calendar. I don't celebrate Anzac Day either, but I can tell you all about Cinco de Mayo as well as the new Cesar Chavez day, because those are locally celebrated holidays. You are not ignorant of these, of course.
No, I have heard of it over the years and know it exists. I'm ignorant of it being celebrated in any meaningful way and that its particular date was this week. It didn't exist when I was in school, so it wouldn't have been discussed in the way holidays around the world are taught. I'm also ignorant about how it would be celebrated and how widespread it is, knowing that girls are still prevented from attending school in many places or shot if they try to attend. I would have been nice to be able to take new knowledge to school on Monday and teach my students about it.