Up until very recently, human beings were split like dichotomous trees and put into boxes. You were either a boy or a girl. You wore pink or blue, and woe to anyone who'd even think about upsetting the status quo.
Thankfully, that's started to shift — thanks largely to the actions of a few brave and bold women. So as a way of paying tribute to their continued sacrifice, have a look below and check out these famous women who have been defying gender norms since day one.