Army's 250th anniversary celebrated with a military parade in Washington, D.C., on Trump's birthday. 'No Kings' protests by opponents are planned across the country.

Thousands of demonstrators crowded into streets, parks, and plazas across the US, blaring anti-authoritarian chants mixed with support for protecting democracy and immigrant rights.

Thousands turned out to enjoy festivities and a sprawling military parade in Washington, D.C., even as dismal weather forecasts and nationwide anti-Trump “No Kings” protests threatened to dampen the Army’s 250th birthday celebration.

By Phil Stewart, Jeff Mason, Brad Brooks and Karl Plume WASHINGTON/LOS ANGELES/CHICAGO (Reuters) -President Donald Trump's long-sought military parade rolled though the streets of downtown Washington on Saturday,

Organisers said hundreds of demonstrations were held in a day of defiance to counter a military parade hosted by Trump.

The parade was the spectacle event Trump had long wanted. It also helped sparked the largest mass opposition to him since his inauguration 145 days earlier.

The grand military parade that President Donald Trump wanted for eight years has barreled down Constitution Avenue in Washington with tanks, troops and a 21-gun salute

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.

Watch live as a parade celebrating the 250th anniversary of the U.S. Army kicks off in Washington, D.C. Meanwhile, 'No Kings' anti-Trump protests continue nationwide. Follow along for live updates, news and analysis.

Law enforcement is on high alert for Saturday's "No Kings Day" planned protests in response to Trump's controversial military parade in Washington D.C.