FYI- this image refers to this:

To keep their issue at the forefront of national interest, suffragists picketed the White House between 1917 and 1919.

Women of all classes risked their health, jobs, and reputations by continuing their protests. One historian estimated that approximately 2,000 women spent time on the picket lines between 1917 and 1919, and that 500 women were arrested, of whom 168 were actually jailed.

Read more about it here. And how awesome is the person who makes a peep montage of such an event?