President Donald Trump praised the United States Army as the “greatest, fiercest and bravest fighting force” at the conclusion of a grand display of military might in the nation’s capital Saturday as the Army celebrated its 250th birthday with a parade.

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.

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

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.

Vice President Vance spoke at the Army’s 250th anniversary parade, saying how proud he is of U.S. soldiers. He also wished President Trump a happy birthday and nodded to his wife on their wedding anniversary.

The parade is telling the story of the U.S. Army’s history, beginning with the Revolutionary War. Soldiers are marching in historic uniforms, with military assets from each major conflict represented.