Germany's law enabling female suffrage came into effect on November 30, 1918
https://www.dw.com/en/how-german-women-obtained-the-right-to-vote-100-years-ago/a-46256939
How did Hitler come into office with women voters?
Why would women gain the right to vote in Germany so close to the same time in the United States of America if there was not a international group of people working together to grant women the right to vote?