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

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

Across the country, relatively few disruptions were reported during protests and marches where the mood ranged from joyful to defiant.

Thousands gathered in Daley Plaza and in suburban events in protests timed to coincide with a military parade in Washington celebrating the Army's 250th anniversary and President Donald Trump's 79th birthday.

Follow live updates as the military parade in Washington, D.C., kicks off on Trump's birthday. 'No Kings' protests by opponents are planned across the country today.

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.

The largest military parade in Washington in decades unfolded Saturday alongside hundreds of protests against it, and its chief organizer

Salt Lake City police said​ in a post to social media that the shooting was "possibly associated" with a "No Kings" demonstration.

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

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.