today women around the world, men too, celebrating international women's day. the mission is to rally for equality. marches happening in australia and india, some demonstrations here at home kicking off in a few hours. it's not just marches. some are doing something of a strike movement here, calling it a day without a woman. >> 5 million of us marched. >> and made our voices heard. >> it doesn't end there. >> in fact we're just getting started. >> i strike for my future children. >> i strike for the artists. >> i strike for every woman who cannot strike. >> the day without women. >> the president expressed his support earlier today, tweeting, "women are vital to the fabric of our society and economy."