Milwaukee and Madison were among dozens of Wisconsin cities that joined the second wave of "No Kings" demonstrations nationwide on Oct. 18 in what organizers are calling the largest single day of protest in modern American history.

For the second time this year, southeast Wisconsin joined nationwide "No Kings" protests on Oct. 18. They've served as a way for protesters to call out what they deem an abuse of power by President Donald Trump and his administration.

Millions of people are expected to participate in "No Kings" rallies across the country Saturday, protesting against President Donald Trump's administration that organizers describe as "chaos, corrupt

MADISON, Wis. -- Madison police said an estimated 15,000 people attended Saturday's "No Kings" protest downtown. The group gathered at McPike Park at around 2 p.m. then marched up East Washington Ave. to the Wisconsin State Capitol.

A major protest Saturday is expected to draw thousands of people to Milwaukee's Cathedral Square. The site is one of hundreds nationwide hosting what are called "No Kings" protests, calling out what protesters deem an abuse of power at the hands of President Donald Trump's administration.

Organizers say the energy Saturday will be a message to both Trump and elected Democratic leaders that people want change.

Millions of Americans turned out Saturday at more than 2,500 “No Kings” rallies across the U.S. to protest what participants called President Donald Trump’s increasingly authoritarian governance. Organizers estimated that nearly 7 million people participated,

This is the third mass mobilization since Trump's return to the White House and it is expected to be the largest.