As Witherspoon encouraged the women in the room to think about how they could help the woman next to them, her fellow panellist Danai Gurira told her story of seeing her own struggles reflected in women she has now met across the world.
While it's a global celebration of the social, economic, cultural and political achievements of women around the world, the day is also used to bring attention to the essential challenges affecting women everywhere - especially in poorer countries.
Those of you looking for another way to mark the occasion should have a click through the gallery above to pick out an empowering feminist movie to watch on International Women's Day.
The day was then predominantly celebrated by the socialist and communist countries until it was adopted in 1975 by the United Nations (UN).
"Malaysian women have waited for 12 years - and we will wait no longer".
2018's theme is #PressforProgress. She met with other women in Los Angeles and became one of the most active and outspoken members of the #TimesUp movement to end sexual harassment and discrimination at work.
'I Can't Breathe!' Police Beating of Black North Carolina Man Draws Outrage
The swear word prompts Hickman to step in and help his colleague who is confronting the suspect, only for him to begin running. Rush then runs, and Hickman is heard in the video during the chase saying "You are going to get (f*****) up hard core".
These t-shirts have hashtags or slogans on them that are inspired by the whole movement of International Women's Day such as #BeBoldForChange or #ADayWithoutAWoman.
You can find a global list of anti-trafficking organizationsat CNN's Freedom Project.
You are limited to one letter per 30 days.
But this year they tried something different: Taking part in an unprecedented national strike.
In 2017, for instance, one bookstore turned all of the books by men on its shelves backwards so to highlight the discrepancy between the books published by men and books by women.
Twitter users also criticized Trump for failing to forcefully speak out against her father's misbehavior toward women. For instance, in 1914 in London in the United Kingdom there was a march from Bow to Trafalgar Square in support of women's suffrage, explains IWD's website.
International Women's Day organizers are very clear: The day is for everyone. On an average, women are paid almost 23 percent lower than men and in countries like Turkey, the gap can be as much as 75 percent.