Tens of thousands of Americans joined "No Kings" protests across the United States against the Trump administration.

The sounds of one of Chicago’s largest protests in recent memory reverberated throughout downtown Saturday, as tens of thousands gathered in a united admonishment of President Trump.

No Kings” organizers described the events as a “nationwide day of defiance” against President Donald Trump and authoritarianism.

“The most threatening sound to an oligarch is laughter.”

An estimated 10,000 people were in attendance at the “No Kings” rally that began in Pioneer Park and marched north through the downtown area, the Salt Lake City Police Department said. Gunfire was heard at around 8 p.m., with video posted online showing protesters fleeing in terror.

Opponents of President Donald Trump’s policies rally Saturday, June 14 at Dallas City Hall, in Fort Worth, Frisco, Arlington, Denton, Carrollton, Flower

The Houston demonstration is one of several planned in the region throughout the day and is expected to draw thousands of protesters.

Thousands of people visited the National Mall in Washington, D.C., to see the rare spectacle of military hardware and soldiers filing down American streets.

What to know if there's a planned "No Kings" protest in your city on June 14? This map charts all the locations.