According to the National Archives: 19th Amendment to the U.S. Constitution: Women's Right to Vote
“Passed by Congress June 4, 1919, and ratified on August 18, 1920, the 19th amendment guarantees all American women the right to vote. Achieving this milestone required a lengthy and difficult struggle; victory took decades of agitation and protest. Beginning in the mid-19th century, several generations of woman suffrage supporters lectured, wrote, marched, lobbied, and practiced civil disobedience to achieve what many Americans considered a radical change of the Constitution. Few early supporters lived to see final victory in 1920.”
Source: Current Population Survey, November 1980-2016.
Source: U.S. Census Bureau, Current Population Survey, November 2018.
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Note: The graphic above shows selected characteristics for the state of Missouri from the 2015 American Community Survey, 1-Year Estimates, and compares its percentages to the United States. Click on the image to see the full graphic.