Conversation so far:
who led the fight for women's right to vote
The first national suffrage organizations were established in 1869. One was led by Susan B. Anthony and Elizabeth Cady Stanton and the other by Lucy Stone.
when did the 19th amendment pass
Passed by Congress June 4, 1919, and ratified on August 18, 1920, the 19th amendment granted women the right to vote

Question: how many votes were needed to ratify the amendment
Self-contained rewrite: how many votes were needed to ratify the 19th amendment