Conversation so far:
What are the Silent Sentinels?
The Silent Sentinels were a group of women in favor of women's suffrage organized by Alice Paul and the National Woman's Party.
Did they Silent Sentinels gain the right to vote?
The favor of women's suffrage was officially ratified on August 26, 1920, shortly after ratification by Tennessee, the thirty-sixth state to do so.
What was Alice Paul's biggest accomplishment?
Alice Paul won a large degree of success with the inclusion of women as a group protected against discrimination by the Civil Rights Act of 1964.

Question: what is the most imiportant fact in this article?
Self-contained rewrite: What is the most important fact about Alice Paul?