Golden Globe-nominated director Ava DuVernay joined “Melissa Harris-Perry” this weekend for a lengthy discussion about her critically-acclaimed film, “Selma.”

Working mom Tianna Gaines-Turner joined “MHP” for her first television interview since testifying at one of Paul Ryan’s congressional hearings on poverty.

Sen. Barbara Boxer of California joins us for an extensive one-on-one interview Sunday on “MHP”! Plus, LeVar Burton of “Reading Rainbow,” at 10am ET on msnbc.

Are thousands of immigrants locked in detention centers being used as cheap labor? We’ll answer that question and many more Sunday on “MHP,” 10am ET on msnbc.

#YesAllWomen, the First Lady’s food fight, abortion rights five years after Dr. Tiller’s murder, and a tribute to Dr. Maya Angelou – all at 10am ET, msnbc!

On Sunday, “Melissa Harris-Perry” will go around the world in 60 minutes. Plus, the role of money in elections, and the annual MHP summer reading list.

President Wilson signed a proclamation establishing the event on May 9, 1914, and the holiday has continued as an expression of gratitude for mothers.

It’s the final day of the Nerdland Scholar Challenge! Take a look at what our scholars accomplished over the past four weeks.

Take the final exam for the Nerdland Scholar Challenge and test how much you’ve learned over the last four weeks.

Share a story about a woman you know who entered into activism through her identity as a mother.