The largest military parade in Washington in decades unfolded Saturday alongside hundreds of protests against it, and its chief organizer

Meanwhile, "No Kings" protests were scheduled in all 50 states to counter Trump's celebration, in cities like New York, Los Angeles, Philadelphia and Boise.

The president celebrates the 250th anniversary of the US Army as demonstrators hold "No Kings" events from coast to coast.

At the beginning of the parade route, a sparse and quiet crowd greeted the U.S. troops dressed in uniforms from the Revolutionary War to modern day. A few protestors holding “NO KINGS” signs aloft mingled with patriotic revelers as a light drizzle began shortly after the start of the event.

The event brought tanks, helicopters, and vintage aircraft down Constitution Avenue in a tightly controlled display of American military history and power.

At a glance … The final round of the US Open, the PGA Tour’s third major, gets underway this morning at Oakmont Country Club in Pennsylvania. Sam Burns has the overnight lead at 4-under. World No. 1 Scottie Scheffler is tied for 11th.

President Trump and the First Lady Melania Trump arrived at the reviewing stand along the parade route as “Hail to the Chief” played. The crowd chanted “USA!” before the National Anthem, sung by Staff Sgt.