The celebration prompted counterprotests across the country.

The U.S. Army is celebrating its 250th birthday in Washington, D.C. with a massive festival, parade and concert. The parade will go down Constitution Avenue, from 23rd Street to 15th Street in ...

The large military parade that US President Donald Trump had long desired rolled down Constitution Avenue in Washington, DC ...

Some attendees exited the military parade marking the 250th anniversary of the U.S. Army in Washington D.C. early, according to reports.