Nineteenth Amendment to the United States Constitution
Amendment XIX (the Nineteenth Amendment) of the United States Constitution states:
This amendment gives the right to vote to women.
On February 27, 1922 a challenge to the 19th Amendment was rebuffed by the Supreme Court of the United States.
http://www.archives.gov/exhibit_hall/charters_of_freedom/constitution/amendments_11-27.html#19
Passed by Congress June 4, 1919. Ratified August 18, 1920.
Interpretation and history
Date Ratified