Remember Bella Abzug?
Back in 1971, she was a Dem rep from New York State. It was Bella who twisted the Congressional arm to commemorate every August 26 as "Women's Equality Day," as a sort of celebration in remembrance of women's suffrage. August 26, 1920, was the day ratification the 19th Amendment was certified.
As the old commercial used to say - somewhat condescendingly, but still, the message was there - "You've come a long way, baby!"
But not quite far enough, as the inequality in pay continues to fester.
Vanessa McGrady writes a bit about this in Forbes:
'Women's Equality Day' Rubs Salt In The Pay-Gap Wound