Women in the House Democratic Caucus will be wearing white during President Trump’s joint address to Congress on Tuesday in honor of women’s suffrage.

Dozens of the female lawmakers were spotted wearing white, the official color of the women's suffrage movement, during the chamber’s first votes Tuesday afternoon, including House Minority Leader Nancy Pelosi (D-Calif.), the first female Speaker.

“We wear white to unite against any attempts by the Trump Administration to roll back the incredible progress women have made in the last century, and we will continue to support the advancement of all women. We will not go back,” said Rep. Lois FrankelLois Jane FrankelFlorida Rep. Alcee Hastings dies at 84 Bill introduced to create RBG monument on Capitol Hill How Congress dismissed women's empowerment MORE (D-Fla.), who chairs the Democratic Women’s Working Group and is spearheading the move to wear white on Tuesday.

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Hillary ClintonHillary Diane Rodham ClintonPelosi on power in DC: 'You have to seize it' Cuba readies for life without Castro Chelsea Clinton: Pics of Trump getting vaccinated would help him 'claim credit' MORE made a similar gesture last month, wearing a white pantsuit to Trump’s inauguration. She also wore white at other major moments during the presidential campaign, including when she became the first woman to accept a major party's presidential nomination at the Democratic National Convention in Philadelphia last year.

The protest from women in the House Democratic Caucus is one of several from Democrats surrounding Trump's first joint address to Congress. There are 66 Democratic women in the House, including four non-voting delegates. 
 
At least a dozen lawmakers are inviting young undocumented immigrants who came to the U.S. as children as their guests, along with others who are bringing people affected by the Affordable Care Act, the 2010 healthcare law Trump and congressional Republicans want to repeal and replace.

So far just one lawmaker, Rep. Maxine Waters (D-Calif.), has announced plans to boycott the speech altogether.

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