PHILADELPHIA — Cities large and small were preparing for major demonstrations Saturday across the U.S. against President Donald Trump, as officials urge calm, National Guard troops mobilize and Trump attends a military parade in Washington to mark the Army’s 250th anniversary.

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.

Texas police say there are more than 10,000 people in attendance at the Capitol for Saturday's 'No Kings' protest. Follow for live updates.

The organizers of this weekend's upcoming "No Kings" protests have issued a video reminding people about the event. The video, released on the No Kings website, reminds those planning to attend of details and calls on people to join the protests.

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

Following a week of protests across the country, nearly a dozen rallies are planned for the area this weekend, including one in downtown Raleigh.

The Philadelphia protest is something of a flagship demonstration amid nationwide actions as Trump holds a controversial military parade in Washington, D.C.

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

Thousands gathered Saturday in cities around Central Florida and the state as part of what’s being called a “nationwide day of defiance” against the man in the Oval Office they say acts like

The numbers have skyrocketed': protest organizers expect massive crowds nationwide on June 14, including up to 250,000 in Los Angeles.