Feminist leader Gloria Steinem will help lead a major women’s protest following President-elect Donald Trump Donald John TrumpREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails Trump urges North Korea to denuclearize ahead of summit Venezuela's Maduro says he fears 'bad' people around Trump MORE’s inauguration.

Steinem will participate in the women’s anti-Trump march after the inauguration on Jan. 21.

Steinem was named one of the march’s honorary co-chairs, alongside Harry Belafonte. Steinem made the announcement in an Instagram post on Tuesday.

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"Proud to announce my role as honorary co-chair of the Women's March on Washington. See you there?" she wrote in the post.

The protest, called the Women’s March on Washington, is slated to have thousands of participants and will take place in Washington, D.C.

Plans for the demonstration were created just after Trump was elected president on Nov. 8.

Steinem was a strong supporter of Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails County GOP in Minnesota shares image comparing Sanders to Hitler Holder: 'Time to make the Electoral College a vestige of the past' MORE.

She came under fire during the primaries when she suggested that young women who supported Clinton's challenger Bernie Sanders Bernard (Bernie) SandersSenate Dems seek to turn tables on GOP in climate change fight Bernie Sanders Town Hall finishes third in cable news race, draws 1.4 million viewers Woman to undecided Biden: 'Just say yes' to 2020 bid MORE only supported him to attract men. She later apologized for the comment.

After Trump's win, Steinem wrote in an op-ed: "We will not mourn, we will organize."