Women

Some of the women I would include on a list of the most important women in world history:
Heads of state:
Cleopatra of Egypt, Elizabeth I of England, Boudicca (or Boadaceia) of the Celts, Catherine the Great of Russia, Christina of Sweden, Evita Peron, Indira Gandhi, Golda Meir, Margaret Thatcher, Corazon Aquino
Politics
Barbara Jordan, Margaret Chase Smith, Eleanor Roosevelt
Inventors and Scientists
Marie Curie, Madam C.J.Walker, Margaret Mead, Grace Hopper, Jane Goodall
Women's Rights
British: Mary Wollstonecraft, Harriet Martineau, the Pankhursts
Americans: Judith Sargent Murray, Margaret Fuller, Elizabeth Cady Stanton, Susan B. Anthony, Lucy Stone, Alice Paul, Carrie Chapman Catt, Betty Friedan, Gloria Steinem
Medicine and Nursing
Florence Nightingale, Clara Barton, Elizabeth Blackwell, Dorothea Dix
Social Reform
Mary Lyon, Jane Addams, Frances Willard, Harriet Tubman, Sojourner Truth, Mary Church Terrell, Ida Wells-Barnett, Rosa Parks
Writers
Aphra Behn, Lady Murasaki, Harriet Martineau, Jane Austen, the Brönte sisters, Emily Dickinson