Over a thousand protesters gathered Saturday in downtown Oklahoma City as part of a nationwide “No Kings” movement protesting the Trump administration and its policies. Signs reading “Abort this presidency” and “No Kings” lined the crowd at City Hall downtown.

Protests and the interactions between protesters and government authorities have a long history in the United States. From the Boston Tea Party to the Civil Rights movement, LBGTQ Stonewall uprising, the Tea Party movement and Black Lives Matter, public protest has been a crucial aspect of efforts to advance or protect the rights of citizens.

Unions that rely on taxpayer-funded dues have taken prominent roles in organizing the “No Kings” protests that are set to be held across the nation on Saturday.

Behind a sea of protest signs and chants, thousands of people filled downtown Eugene Saturday morning for the "No Kings" protest, what many are calling one of

Dozens of community members gathered Saturday at the Micronesia Mall intersection to kick off the nationwide “No Kings” protest, condemning what they described as a growing threat of authoritarianism

Discover how 1,800 nationwide protests are challenging presidential authority. Learn about the No Kings Day of Defiance rallies happening across America.

Law enforcement officials said they were taking precautions but not expecting violence during Saturday's "No Kings ... participation and heightened awareness for those traveling near protest ...

Despite organizers saying the Arizona protests will be peaceful, the consul warned against participation, especially for those without legal status.