Activists are returning to the streets a year after more than 1 million people rallied at women’s marches around the world with a message of female empowerment and protest against President Donald Trump.

Hundreds of marches worldwide and a signature rally in Las Vegas this weekend are aimed at converting anger and enthusiasm into political force.

The 2017 rally in Washington, D.C., and hundreds of similar marches created a sense of solidarity. Since then, a wave of women decided to run for elected office and the #MeToo movement against sexual misconduct became a cultural phenomenon.

A rally planned Sunday in Las Vegas will launch an effort to register 1 million voters and target swing states in the midterm elections.