The ten stars on the flag represent the number of states in which women had full suffrage at the time this button was made. The first ten states to extend suffrage to women were Wyoming (1869), Colorado (1893), Utah (1896), Idaho (1896), Washington (1910), California (1911), Kansas, Oregon and Arizona (all 1912), and Montana (1914).
"Votes for Women" was one of the most popular and recognizable slogans used by members of the woman’s suffrage movement.