Protesters are gathering nationwide, including Colorado, as President Trump attends a parade commemorating the Army's 250th anniversary on his 79th birthday.

The Denver Police Department advised of road closures near the state capitol due to Saturday's "No Kings" protest.

Millions participated in 'No Kings' demonstrations across the United States on Saturday to protest the Trump administration, organisers said, on the same day the president held a large-scale

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.

Dozens of Regional Transportation District routes were detoured or delayed throughout metro Denver on Saturday as thousands of Coloradans gathered for “No Kings” protests.

The organization is made up of EMTs, nurses, and paramedics who will be at the protest, ready to respond to medical emergencies ranging from dehydration and heat stroke to injuries caused by potential police force.

Colorado’s chapter of 50501, which stands for 50 protests, 50 states, 1 movement, is planning “No Kings: The People’s Fair” on Saturday, what they call an activist fair.

Coordinated "No Kings" protests are happening from coast to coast, part of a "national day of peaceful protest" against the Trump administration, expected to draw millions. Protesters in some areas braved wet weather to raise signs and chant slogans supporting the rights of immigrants and criticizing what they see as Trump's power grab.