National Park Service - US Women's Suffrage Timeline 1648 to 2016
National Women's History Alliance - Timeline of the legal history of women in the United States.
National Women's History Museum - Woman Suffrage Timeline (1840-1920).
Sixty-sixth Congress of the United States of America; At the First Session,
Begun and held at the City of Washington on Monday, the nineteenth day of May, one thousand nine hundred and nineteen.
Proposing an amendment to the Constitution extending the right of suffrage to women.
Resolved by the Senate and House of Representatives of the United States of America in Congress assembled (two-thirds of each House concurring therein), That the following article is proposed as an amendment to the Constitution, which shall be valid to all intents and purposes as part of the Constitution when ratified by the legislature of three-fourths of the several States.
"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.
Congress shall have power to enforce this article by appropriate legislation."