For the most part, throughout history, it has been men who are remembered for accomplishing great things. This was clearly the outcome of social and political limitations, but yet, the idea that "Behind every great man is a great woman," seems to be popular. Is this truth or a catchy song lyric?
(3) Women have exercised political office effectively and definitively on their own or as formally senior partners in relationships many times in history and the frequency with which they are doing so is on the increase - radically.
ex. Elizabeth I - see the British Monarchy's site on the History of the Monarchy "Elizabeth I"
ex. Catherine the Great - see Biography and NPR's "Catherine the Great: First She Read, Then She Ruled"
(4) Women have always been critical to the formation of rebellions, conspiracies, revolutions, and reform movements and will continue to be so in the future - though increasingly (again) more sung of than in the past.
ex. The Trung Sisters - see Marc Jason Gilbert's "When Heroism is Not Enough"
ex. Tawakul Karman - see The Independent's article "Tawakul Karman: 'We brought down a tyrant. Now we need the West to keep him out."
Also, check out Women Who Ruled - just for the fantasticness.