What amendment gave women the right to vote?
Nineteenth Amendment to the United States Constitution
The Nineteenth Amendment (Amendment XIX) to the United States Constitution prohibits the states and the federal government from denying the right to vote to citizens of the United States on the basis of sex. It was adopted on August 18, 1920.
Timeline of women's suffrage in the United States
1919: In January, the National Women's Party lights and guards a "Watchfire for Freedom." It is maintained until the Nineteenth Amendment to the U.S. Constitution passes the U.S. Senate on June 4.
1920: The Nineteenth Amendment to the U.S. Constitution is ratified, stating, "The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of sex.