More than 2,100 "No Kings" rallies took place on Saturday across the country. See pictures from some of the protests in Illinois.

Organizers are calling for Americans to attend demonstrations across the country to protest President Trump on his 79th birthday.

According to the Atascadero Democratic Club, 12.1 million people attended “No Kings” protests across the country. The club stated, “We made it past the 3.5% required for change to happen. 12.1 million people across the country attended the No Kings protests, and that doesn’t count the small towns.”

Among the more than 2,000 “No Kings” protests planned nationwide Saturday, organizers anticipate that the one in downtown Chicago will be one of the largest.

Protests are planned in hundreds of communities across the country on Saturday, June 14.Called "No Kings Day," the rallies are being held to oppose what organizers see as Trump's power grab and focus on participants' patriotism and support for the U.S. Constitution. American flags are expected to be front and center.

The "No Kings National Day of Mobilizations" is scheduled to take place nationwide Saturday, June 14, with hundreds planned across New England.

Chicago is an anchor city for the "No Kings" protests Saturday, and city officials said they are prepared for the crowds expected.

The Chicago Teachers Union will be joining the "No Kings" march in downtown Chicago on Saturday, June 14, according to the union's website. The march is scheduled for the same day a massive military parade is set to take to the streets of Washington in an elaborate showcase of troops, tanks, weapons and aircraft.