Opponents of President Donald Trump's administration on Saturday rallied in nearly 2,000 locations across the country, with thousands demonstrating in Northern California.

Protesters across Southern California and the country took to the streets for ‘No Kings’ demonstrations against President Trump and the $45-million celebration of the U.S. Army’s 250th birthday, which coincides with Trump’s 79th.

More than 2,500 protesters gathered at San Joaquin Delta College in Stockton for the "No Kings" protest, one of three scheduled in San Joaquin County.

The area protests drew many people, of varying ages with an array of concerns. But a common thread was concern over policies of the Trump administration, such as recent immigration crackdowns.

The organized opposition was timed for the day President Trump is hosting a rare U.S. military parade in Washington that's taking place on his 79th birthday.

The Los Angeles Police Department has declared all of downtown as an unlawful assembly, telling all demonstrators to leave the area immediately. "Downtown Los Angeles has been declared as an UNLAWFUL ASSEMBLY. You are to leave the Downtown Area immediately," police said on X.

Mel Gibson criticized California Gov. Gavin Newsom and LA Mayor Karen Bass for their handling of violent protests while on the "Arroyo Grande" podcast.

NBC News correspondent David Noriega reports on the ground in Los Angeles, CA as citizens march in the 'No Kings' protests. "There are a lot of people out here who are the children of immigrants... They feel personally that a lot is at stake for them with these protests,