Although it has been celebrated since 1911, this last years March 8 has gained a greater social relevance. The universalization of the feminist movement has raised at great levels. A fight we should all fight in which there are still many things to achieve. This is my small claim, always with respect and admiration: 8M and International Day of Women and Girls in Science (February 11) ... "Feminism is the ability to choose what you want to do" Nancy Reagan.