Women in Kuwait win the right to vote, and the only women on the front line on the Western Front in World War One; battling smog in Mexico City in the 1980s, the artist Georgia O'Keeffe, and America's first incident of Islamic terror forty years ago.
Photo: the first women candidates for parliamentary elections in Kuwait in 2006, Aisha al-Rashid (R) and Rola Dashti (C) (Credit: Yasser al-Zayya/AFP/Getty Images)