A march of the National Union of Women's Suffrage, 1908. From left to right, Lady Frances Balfour (1858 - 1931), Millicent Fawcett (1847 - 1929), Ethel Snowden (1880 - 1951), Emily Davies (1830 - 1921) and Sophie Bryant (1850 - 1922). (Photo by Hulton Archive/Getty Images)