Sometimes, it really does come down to one vote (and the voter's mother) to change history.

After decades of organizing, lobbying, and protesting, American women finally gained the right to vote with the ratification of the Nineteenth Amendment in 1920. This film offers rare footage of the struggle leading up to and including that pivotal moment.

Historian Yohuru Williams recaps the efforts of women to secure the right to vote in the early 19th century.

Find out what event turned the tide of the Civil War.