The struggle to get there took decades, but since 1919 one group has helped millions of women carry out their responsibilities as voters.
The League of Women Voters' non-partisan guide has probably helped you a time or two at the polls.
It's perhaps what the League of Women Voters is best known for but it began as a "political experiment" designed to help 20 million women vote and become engaged citizens.
That mission remains today.
"The right to vote is critically important but once you have it you need to use it and use it in an informed way," said Elaine Wiant, president of the League of Women Voters of Texas.
You can find the group's voter's guide for the constitutional amendment election online right now.