5 June 1919: The National Suffrage Amendment, the 19th Amendment to the U.S. Constitution, passed by Congress.[41] 10 June 1919: Illinois,[42] Wisconsin and Michigan, in that order, became the first three states to ratify the National Suffrage Amendment.[2][43][44][45][46] 15 June 1919: Czechoslovakia — Women and men in the Czech areas first voted under equal suffrage for municipal candidates.[47] 16 June 1919: Kansas, Ohio, and New York, in that order, ratified 19th Amendment.[48][49][50][51] 17 June 1919: Illinois — Because of a minor error in the text of the initial introduction to the resolution to ratify the 19th Amendment, both the State Senate and House reconfirmed ratification of women's suffrage.