Marches took place in Washington, D.C., Los Angeles, New York City and other places across the USA and the world, with marches reported in Rome, Frankfurt, Germany; Kampala, Uganda and Osaka, Japan.
In New York City, an estimated thousands of marchers are gathering on the west side of Central Park, roughly one year since more than 3 million people joined the Women's March in cities around the world.
Other signs were just as attractive as they were powerful.
"We're not going to create change until we change our representation in the government", said Wruble of March On, which is keen to ensure more liberal women win seats in Republican-led districts.
New Jersey's first lady Tammy Murphy told a crowd of thousands at a Women's March event in Morristown that she had been sexually assaulted while in college.
Many marchers expressed their commitment to American ideals and said it is the president himself who is un-American, criticizing his administration's approach to the environment, health care, immigration reform and taxes.
"Get out there now to celebrate the historic milestones and unprecedented economic success and wealth creation that has taken place over the last 12 months", Donald Trump went on to add, while noting, "Lowest female unemployment in 18 years!"More news: Rocket Lab forced to abort launch again
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The rallies aim to translate female activism into gains in a broad swathe of state and federal elections later in the year.
Added Ivonne Quiroz, co-chair of Women's March Oakland: "March for Our Future is youth-led, and we felt our march previous year needed community youth leaders not only to participate, but to lead in a real and transformative way". Co-founder Vanessa Wruble told CNN that the group made a decision to branch off to focus on electing Democrats in red states during the 2018 midterm elections.
Hundreds of women's marches are taking place this weekend around the world. "This year, I feel like I'm in it for the long haul".
FADEL: Organizers say they're using the anniversary to harness the momentum of the past year into voter power.
"I think (our voices) are getting heard louder and louder every day because the people at the grassroots are now talking to the people at the water cooler or the people on the bus", Geyer said.
"I was thrown on my back, I had a man on top of me" she said of the moment of terror.
"There are a record number of women running for local office and then also for state and governorship and there are competitive Senate races".
"The message this year is marching to action: march, register, vote".
"I am speaking today not just for the 'Me Toos, because I was a 'Me Too, ' but when I raise my hand, I am aware of all the women who are still in silence", she said in an emotional speech.