"No Kings" Day organizers say it is more important than ever to have a "national day of peaceful protest" on June 14 following the decision by President Donald Trump to send in Marines and the National Guard to Los Angeles.

Organizers are calling for Americans to attend demonstrations across the country to protest President Trump on his 79th birthday.

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.

U.S. officials told NBC News Israel approached U.S. President Trump with a plan to kill Iran’s Supreme Leader, but Trump rejected that approach. Former Senior State Department and CIA Official Ned Price joins Alex Witt to give his reaction.

As the military presence ramped up in Los Angeles, communities are preparing for the largest protests against Trump since he took office.

Around 2,000 protests were planned on Saturday in opposition to President Donald Trump. Large crowds turned out in cities like Portland, Denver, Chicago, Houston and Los Angeles – and in smaller communities in traditionally conservative areas.

Millions gathered over the weekend at 'No Kings' events to protest the actions and policies of President Donald Trump.

Thousands turned out at the ‘No Kings’ protests in local cities on Saturday, which demonstrated against President Donald Trump and recent immigration raids.

Denver was once again in President Donald Trump’s sights as he directed federal immigration officers to prioritize deportations from Democratic-run cities following large-scale protests across the U.S.

Organizers of the “No Kings” demonstrations said millions had marched in hundreds of events. In Oregon, tens of thousands of people gathered in downtown Portland for two large protests -- one that began in Tom McCall Waterfront Park and the other at the Oregon Convention Center.

While President Donald Trump attended a military parade he ordered on his birthday to recognize the 250th anniversary of the U.S. Army in Washington, D.C., thousands of people in the Kansas City metro area flexed their First Amendment right Saturday to voice their opposition to polices of the Trump administration during the "No Kings" national day of defiance.