International Women's Day: Celebrating achievements, fighting gender inequality.

March 8: Global recognition of women's historical, cultural contributions.

Susan B. Anthony, Elizabeth Cady Stanton: Women's rights advocates.

First National Women's Day in 1909 led to global observance.

19th Amendment ratified in 1920, granting U.S. women voting rights.

Celebrating progress, striving for equality on March 8 annually.