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

Organizers have planned demonstrations in cities and towns across the country on the same day as President Trump’s parade in Washington to celebrate the Army.

Organizers of the “No Kings” demonstrations said millions had marched in hundreds of events. Governors across the U.S. had urged calm and vowed no tolerance for violence, while some mobilized the National Guard ahead of marchers gathering. ‘We’re all people’: Chicago ‘No Kings’ demonstration sees giant crowd march peacefully around Loop

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.

Here's the full list of No Kings Day protests on June 14 across key cities, including Las Vegas, New York, and Houston..

On June 14, over 1,800 protests have been planned across the country, in “defiance” of President Donald Trump’s militarized birthday parade.

Millions to attend nonviolent protests against Donald Trump, his military birthday parade, and the crackdown on dissent in Los Angeles.