The year 2020 marks the 100th anniversary of the passage of the 19th Amendment, guaranteeing and protecting American women's constitutional right to vote.

Photograph of six National Woman's Party members watching Alice Paul stitching ratification flag. Mabel Vernon (seated far left), Alice Paul (seated center), Anita Pollitzer (standing, right).

National Photo Co., Washington, D.C. (1919-1920). [National Woman's Party activists watch Alice Paul sew a star onto the NWP Ratification Flag, representing another state's ratification of the 19th Amendment]. [Photograph]. Retrieved from http://hdl.loc.gov/loc.mss/mnwp.160073