March 3, 1913 – Women’s Suffrage Parade in Washington, DC, where over 8000 women gathered to demand a constitutional amendment guaranteeing the right to vote
Taken from: https://nationalwomenshistoryalliance.org/this-month-in-womens-history/march/
Women's History Month is celebrated every year during the month of March. In 1987 the United States dedicated the month of March to celebrate women's achievements and their contributions to culture, society, and history.
Taken from: https://www.calendarr.com/united-states/women-s-history-month/