June 14 is Flag Day, President Trump's 79th birthday and the 250th anniversary of the US Army, which will be marked with a parade. How to watch.

WASHINGTON (7News) — A military parade celebrated the Army's 250th in Washington D.C., with thousands of people in attendance. Aside from the parade, there was also concert and fireworks as part of the celebration. The celebration also coincides with President Donald Trump’s 79th birthday, National Flag Day, and the Army’s 250th anniversary.

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.

Tanks and thousands of troops are on the streets of Washington, D.C., for the Army's 250th anniversary on President Donald Trump's birthday.

The U.S. Army is celebrating its 250th birthday in Washington, D.C. with a massive festival, parade and concert.

Coinciding with Trump's 79th birthday, the parade will feature tanks, bands and thousands of troops in honor of the Army’s 250th anniversary celebration.

The cleanup continued Monday morning after the parade celebrating the 250th anniversary of the U.S. Army over the weekend.

MSNBC hosts Ali Velshi and Chris Hayes noted a difference in the atmosphere at the Army's 250th celebration in Washington, D.C., compared to President Trump's rallies.