Why are people protesting today and what is "No Kings"? Here's everything to know from locations to livestreams.

Thousands of people marched on Saturday from San Francisco's Dolores Park to Civic Center in front of City Hall in support of "No Kings Day" protests.

The “No Kings” rallies were organized in nearly 2,000 locations nationwide, including cities, towns, and community spaces.

Video below: 'No Kings Day' protests held across Maryland on day of military parade Maryland Gov. Wes Moore, an Army veteran, celebrated the U.S. Army's 250th birthday on Friday at Fort Meade.

Protests opposing President Trump's policies, dubbed "No Kings Day," are set to take place nationwide, including in South Florida.

Thousands in the Chicago area rallied on Saturday for "No Kings Day" protests against the Trump administration and immigration enforcement raids.

Millions were expected to gather in “No Kings” demonstrations in over 1,500 cities on Saturday, the same day the Army is celebrating its 250th anniversary on Trump’s birthday.