Demonstrators fill a barricaded space along New York's Fifth Avenue during an International Women's Day rally on Wednesday, March 8. Events have been scheduled around the world to celebrate women's accomplishments and call attention to women's issues. Mark Kauzlarich for CNN

People in Washington march near the White House from Freedom Plaza to Lafayette Park. Eric Thayer for CNN

Women in Istanbul march down Istiklal Avenue. BULENT KILIC/AFP/Getty Images

A statue of a defiant girl faces Wall Street's charging bull sculpture in New York. "Fearless Girl" was installed on Tuesday by State Street Global Advisors. The asset manager designed it to call attention to its new initiative to increase the number of women on its clients' corporate boards. Jeenah Moon/Bloomberg via Getty Images

People gather outside City Hall in San Francisco. Preston Gannaway for CNN

Activist Tamika Mallory sits in the back of a police van after being detained for blocking traffic outside the Trump International Hotel and Tower in New York. "Many of our national organizers have been arrested in an act of civil disobedience," tweeted the Women's March organization. "We will not be silent." Mark Kauzlarich for CNN

Melania Trump, the first lady of the United States, hosted a White House luncheon for International Women's Day. Pablo Martinez Monsivais/AP

Demonstrators rally in Melbourne. Daniel Pockett/Getty Images

Women in Seoul, South Korea, protest gender inequality and sexual harassment in the workplace. Jean Chung/Getty Images

Advocates for women's rights march in front of Parliament in Tbilisi, Georgia. VANO SHLAMOV/AFP/Getty Images

Women hold a banner as they protest in front of the United Nations building in Sanaa, Yemen. Hani Mohammed/AP

Trade union members show solidarity for female workers outside the union headquarters in Pamplona, Spain. Alvaro Barrientos/AP

Demonstrator Katie Bush joins a rally outside City Hall in San Francisco. She works for YouTube and got the day off to participate. "Basically I feel this administration is not representing over half the country," she said. "I hope this message goes to Trump, obviously, but also the country and the world. We have to be present and show up." Preston Gannaway for CNN

Brazilian airline pilot Gabriela Carneiro Duarte, third from right, walks with her all-female crew before departing for a flight in Rio de Janeiro. YASUYOSHI CHIBA/AFP/Getty Images

A mandala made of salt is displayed at a shopping mall in Milan, Italy. Claudio furlan/LaPresse/Sipa USA

People in Bucharest, Romania, lie on the ground during a performance to raise awareness about women killed by their partners. Andreea Alexandru/AP

A protester in Washington holds up a sign. Eric Thayer for CNN

Members of a women's group face off against female police officers as they shout anti-American slogans near the US Embassy in Manila, Philippines. Many protesters this year have turned out to voice their disagreement with the policies and rhetoric of US President Donald Trump, especially regarding women's issues. TED ALJIBE/AFP/Getty Images

A Palestinian artist applies the final touches to a street mural in Gaza City. Majdi Fathi/NurPhoto via Getty Images

A woman helps a boy light a candle in Hong Kong. ANTHONY WALLACE/AFP/Getty Images

A member of the Italian special police known as the Carabinieri stands at attention during an event in Rome. Franco Origlia/Getty Images

Women shout slogans during a march in Kiev, Ukraine. SERGEI SUPINSKY/AFP/Getty Images

Women wear traditional Punjabi dresses as they dance during an event in Amritsar, India. NARINDER NANU/AFP/Getty Images

Women in Lagos, Nigeria, protest against sexual violence. Stringer/Anadolu Agency/Getty Images