In Los Angeles, 38 people were arrested downtown on Saturday night, police said Sunday. In Huntington Beach, police arrested a convicted felon they said had a loaded handgun.

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.

"I think we will see the largest peaceful single day protests that this country has seen certainly since the first Trump term," said Indivisible cofounder Ezra Levin, one of the organizers.

Yesterday, according to estimates by event organizers, millions marched in protest against the Trump administration, including its recent controversial immigration enforcement raids. Hundreds of “No Kings” demonstrations took place in cities and towns throughout the U.