EDITORIAL NOTE: This blog post was originally published on the Huffington Post.

On Monday, we observe Women's Equality Day, commemorating the passage of the 19th Amendment and the culmination of over 70 years of advocacy fighting for the right to vote for women. Over the decades, advocates conducted countless petition drives, campaigns and marches on behalf of the belief in women's equality and the right to vote following the first formal demand for women's suffrage in 1848. "The vote is the emblem of your equality, women of America, the guarantee of your liberty," said suffragist Carrie Chapman Catt, who founded the League of Women Voters just six months prior, at the August 26, 1920, White House reception celebrating the 19th Amendment.

This week also marks the 50th anniversary of the 1963 March on Washington. Considered to be one of the largest political rallies in U.S. history, the March on Washington - which was also the setting of Dr. Martin Luther King's iconic "I Have a Dream'' speech - is credited with having helped encourage Congress to pass the Voting Rights Act of 1965. 

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