PHILADELPHIA (AP) — 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.

Dozens of protests are planned across Southern California on Saturday in response to the military parade being held in Washington D.C. No Kings website Locally in Southern California, dozens of "No Kings" protests are planned. A full list of events can be found here, but some are listed below:

Police in Sonoma and Napa counties are preparing as North Bay protesters join a nationwide wave of No Kings Day rallies.

The "No Kings National Day of Mobilizations" is scheduled to take place nationwide Saturday, June 14, with about 30 taking place across Connecticut.

The "No Kings" Chicago protest Saturday in Daley Plaza is one of the anchor events for a national anti-Trump movement. It is one of more than 1,800 protests being held nationwide in response to the Trump military parade.

The largest is expected to take place in Portland, where at least five separate demonstrations are planned in and outside of downtown. Two downtown events will happen on Naito Parkway. One will gather at the Salmon Street Springs and another will form at the Battleship Oregon Memorial in Tom McCall Waterfront Park.

The "No Kings National Day of Mobilizations" is scheduled to take place nationwide Saturday, June 14, with over 30 planned in Vermont.

As a military parade rolls through Washington, DC, on Saturday – President Donald Trump’s birthday – millions of Americans are expected to protest in what organizers predict will be the strongest display of opposition to Trump’s administration since he took office in January.