No Kings” organizers described the events as a “nationwide day of defiance” against President Donald Trump and authoritarianism.

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.

Thousands gather for Nashville's "No Kings" protest as ICE reports record detention numbers. Demonstrators voice concerns about constitutional rights and immigration policies.

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.

Texas police say there are more than 10,000 people in attendance at the Capitol for Saturday's 'No Kings' protest. Follow for live updates.

Events held in big cities, small towns and everything in between served as counterpoint to military parade in Washington coinciding with President Donald Trump’s 79th birthday.

Before you let your voice be heard, advocacy and civil right groups stress the importance of being prepared before you go. And knowing your rights.

Here's how to stay safe and what to know about your rights if you get arrested, detained or encounter tear gas during Houston's No Kings Day protest.