(CNN)I’d always thought of myself as a feminist, well-versed in women’s history. But I discovered my knowledge of it was more limited than I realized when I met Laura Liswood in 2015.
As secretary general of the Council of Women World Leaders, Liswood has convened elected female presidents and prime ministers for the United Nations for the past 20 years. Very intrigued, I asked her how many female presidents and prime ministers there had been throughout the world.
