Hundreds of thousands of marchers fill the street during the Women's March demonstration in Washington, DC, on January 21, 2017. #

Activists make their way to the Women's March in opposition to the agenda and rhetoric of President Donald Trump in Washington, DC, on January 21, 2017. #

Demonstrators arrive via public transportation to take part in the Women's March in Washington, DC, on January 21, 2017. #

Protesters take a selfie with the police as a backdrop outside the U.S. Capital during the Women's March on Washington on January 21, 2017. #

Federal police take off their riot gear before the Women's March on Washington on January 21, 2017. #

A crowd fills Independence Avenue during the Women's March on Washington, DC, on January 21, 2017. #

Paige Carmichael, 6, from Chadds Ford, Pennsylvania, participates in the Women's March on Washington on January 21, 2017. #

People pack the National Mall for the Women's March in Washington, DC< on January 21, 2017. #

People participate in the Women's March on Washington, DC, on January 21, 2017. #

In Melbourne, Australia, protesters take part in the Melbourne rally against the Trump Inauguration on January 21, 2017. #

In Boston, Massachusetts, thousands gather on Boston Common to hear speakers at the Boston Women's March for America on January 21, 2017. #

In Boston, Massachusetts, the Boston Women's March for America makes its way down Boylston Street on January 21, 2017. #

Protesters march in New York City during the Womens March on January 21, 2017. #

Demonstrators march across 42nd Street during a women's march on January 21, 2017, in New York. #

In Kenya's capital of Nairobi, demonstrators protest against U.S. President Donald Trump during the Women's March inside Karura forest on January 21, 2017. #

In Park City, Utah, the Women's March on Main Street takes place on January 21, 2017. #

In New Delhi, India, a woman waits for the start of the #IWillGoOut rally, organized to show solidarity with the Women's March in Washington, on January 21, 2017. #

Protesters take part in the Women's March in Paris, France, on January 21, 2017. #

Protesters take part in the Women's March in Paris, France, on January 21, 2017. #

In Macau, protesters hold placards as they take part at the Women's March rally on January 21, 2017. #

In Barcelona, Spain, people shout slogans during the Women's March on January 21, 2017. #

In Denver, Colorado, demonstrators gather at Civic Center Park during the Women's March on January 21, 2017. #

In Denver, Colorado, demonstrators gather at Civic Center Park during the Women's March on January 21, 2017. #

In Ottawa, Ontario, Canada, protesters take part in the Women's March on January 21, 2017. #

In Buenos Aires, Argentina, a woman holds a sign during the women's march rally on January 21, 2017. #

In Accra, Ghana, people take part in the Women's March in front of the USA embassy on January 21, 2017. #

In Chicago, Illinois, William Rosen looks over protesters as they participate in the Women's March on January 21, 2017. #

In Chicago, Illinois, protesters cheer at the Women's March on January 21, 2017. #

In London, England, protesters gather at a rally in Trafalgar Square after the Women's March on January 21, 2017. #

Protesters make their way through the streets of London during the Women's March on January 21, 2017. #

In London, England, protesters gather at the rally in Trafalgar Square after the Women's March on January 21, 2017. #

In Athens, Greece, women carry signs during an demonstration in front of the US embassy on January 21, 2017, in solidarity with the Women's March on Washington. #

In Los Angeles, protesters march during the Women's March on January 21, 2017. #

Marchers fill Hill Street in Los Angeles during the Women's March on January 21, 2017. #