Feminist leader Gloria Steinem will help lead a major women’s protest following President-elect Donald Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests 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 ClintonDemocratic groups using Bloomberg money to launch M in Spanish language ads in Florida The Hill's Campaign Report: Presidential polls tighten weeks out from Election Day More than 50 Latino faith leaders endorse Biden MORE.

She came under fire during the primaries when she suggested that young women who supported Clinton's challenger Bernie Sanders Bernie SandersOutrage erupts over Breonna Taylor grand jury ruling Dimon: Wealth tax 'almost impossible to do' Grand jury charges no officers in Breonna Taylor death 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."